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23257612 = 2277111699
BaseRepresentation
bin101100010111…
…0001000001100
31121202121110001
41120232020030
521423220422
62150254044
7401454310
oct130561014
947677401
1023257612
1112145874
127957324
134a84101
143135b40
152096227
hex162e20c

23257612 has 24 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 9826320.

The previous prime is 23257607. The next prime is 23257613. The reversal of 23257612 is 21675232.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (23257613) 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, 3862 + ... + 7837.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 223257612 is an apocalyptic number.

It is an amenable number.

23257612 is an abundant number, since it is smaller than the sum of its proper divisors (23916788).

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

23257612 is a wasteful number, since it uses less digits than its factorization.

23257612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11781 (or 11779 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 23257612 is about 4822.6146435310. The cubic root of 23257612 is about 285.4445181789. Note that the first 3 decimals are identical.

The spelling of 23257612 in words is "twenty-three million, two hundred fifty-seven thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 11699 23398 46796 81893 163786 327572 830629 1661258 3322516 5814403 11628806 23257612