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BaseRepresentation
bin11001000111110010
312020011001
4121013302
511243043
62112214
7605665
oct310762
9166131
10102898
1170344
124b66a
1337ab3
14296dc
152074d
hex191f2

102898 has 4 divisors (see below), whose sum is σ = 154350. Its totient is φ = 51448.

The previous prime is 102881. The next prime is 102911. The reversal of 102898 is 898201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898201 = 3892309.

It can be written as a sum of positive squares in only one way, i.e., 94249 + 8649 = 307^2 + 93^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25723 + ... + 25726.

2102898 is an apocalyptic number.

102898 is a deficient number, since it is larger than the sum of its proper divisors (51452).

102898 is an equidigital number, since it uses as much as digits as its factorization.

102898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51451.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 102898 is about 320.7771812333. Note that the first 3 decimals coincide. The cubic root of 102898 is about 46.8600029061.

It can be divided in two parts, 102 and 898, that added together give a cube (1000 = 103).

The spelling of 102898 in words is "one hundred two thousand, eight hundred ninety-eight".

Divisors: 1 2 51449 102898
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