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23140926 = 2321285607
BaseRepresentation
bin101100001000…
…1101000111110
31121112200101100
41120101220332
521411002201
62143553530
7400460154
oct130215076
947480340
1023140926
1112076136
1278bb8a6
134a42c73
1431053d4
152071886
hex1611a3e

23140926 has 12 divisors (see below), whose sum is σ = 50138712. Its totient is φ = 7713636.

The previous prime is 23140919. The next prime is 23140937. The reversal of 23140926 is 62904132.

23140926 is a `hidden beast` number, since 231 + 409 + 26 = 666.

It is a super-2 number, since 2×231409262 = 1071004912274952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23140926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642786 + ... + 642821.

It is an arithmetic number, because the mean of its divisors is an integer number (4178226).

Almost surely, 223140926 is an apocalyptic number.

23140926 is an abundant number, since it is smaller than the sum of its proper divisors (26997786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23140926 is a wasteful number, since it uses less digits than its factorization.

23140926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285615 (or 1285612 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23140926 is about 4810.5016370437. The cubic root of 23140926 is about 284.9663487507.

The spelling of 23140926 in words is "twenty-three million, one hundred forty thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 9 18 1285607 2571214 3856821 7713642 11570463 23140926