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23115372 = 2237275183
BaseRepresentation
bin101100000101…
…1011001101100
31121111101022220
41120023121230
521404142442
62143235340
7400322520
oct130133154
947441286
1023115372
1112058a15
1278a8b50
134a34447
1430d9d80
152068eec
hex160b66c

23115372 has 24 divisors (see below), whose sum is σ = 61641216. Its totient is φ = 6604368.

The previous prime is 23115361. The next prime is 23115383. The reversal of 23115372 is 27351132.

It is an interprime number because it is at equal distance from previous prime (23115361) and next prime (23115383).

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, 137508 + ... + 137675.

It is an arithmetic number, because the mean of its divisors is an integer number (2568384).

Almost surely, 223115372 is an apocalyptic number.

It is an amenable number.

23115372 is an abundant number, since it is smaller than the sum of its proper divisors (38525844).

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

23115372 is a wasteful number, since it uses less digits than its factorization.

23115372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275197 (or 275195 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 23115372 is about 4807.8448394265. The cubic root of 23115372 is about 284.8614161567.

The spelling of 23115372 in words is "twenty-three million, one hundred fifteen thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 275183 550366 825549 1100732 1651098 1926281 3302196 3852562 5778843 7705124 11557686 23115372