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397623122 = 213139110023
BaseRepresentation
bin10111101100110…
…011111101010010
31000201012100101022
4113230303331102
51303242414442
6103242235442
712565512041
oct2754637522
91021170338
10397623122
111944a2156
12b11b5b82
13644bb770
143ab46558
1524d943d2
hex17b33f52

397623122 has 16 divisors (see below), whose sum is σ = 646941120. Its totient is φ = 182196432.

The previous prime is 397623113. The next prime is 397623131. The reversal of 397623122 is 221326793.

It is an interprime number because it is at equal distance from previous prime (397623113) and next prime (397623131).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51398 + ... + 58625.

It is an arithmetic number, because the mean of its divisors is an integer number (40433820).

Almost surely, 2397623122 is an apocalyptic number.

397623122 is a deficient number, since it is larger than the sum of its proper divisors (249317998).

397623122 is a wasteful number, since it uses less digits than its factorization.

397623122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110177.

The product of its digits is 27216, while the sum is 35.

The square root of 397623122 is about 19940.4895125471. The cubic root of 397623122 is about 735.3439838665.

The spelling of 397623122 in words is "three hundred ninety-seven million, six hundred twenty-three thousand, one hundred twenty-two".

Divisors: 1 2 13 26 139 278 1807 3614 110023 220046 1430299 2860598 15293197 30586394 198811561 397623122