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BaseRepresentation
bin101010101010011101110
32122000200201
411111103232
5324213443
645544114
714611540
oct5252356
92560621
101397998
11875378
1257503a
1339c424
14285690
151c934d
hex1554ee

1397998 has 16 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 588960.

The previous prime is 1397989. The next prime is 1397999. The reversal of 1397998 is 8997931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (152334).

21397998 is an apocalyptic number.

1397998 is a deficient number, since it is larger than the sum of its proper divisors (1039346).

1397998 is a wasteful number, since it uses less digits than its factorization.

1397998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707.

The product of its digits is 122472, while the sum is 46.

The square root of 1397998 is about 1182.3696545497. The cubic root of 1397998 is about 111.8155445972.

The spelling of 1397998 in words is "one million, three hundred ninety-seven thousand, nine hundred ninety-eight".
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