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3115272 = 233129803
BaseRepresentation
bin1011111000100100001000
312212021100110
423320210020
51244142042
6150434320
735323266
oct13704410
95767313
103115272
111838606
1210629a0
13850c74
145b1436
1541809c
hex2f8908

3115272 has 16 divisors (see below), whose sum is σ = 7788240. Its totient is φ = 1038416.

The previous prime is 3115271. The next prime is 3115279. The reversal of 3115272 is 2725113.

It is not an unprimeable number, because it can be changed into a prime (3115271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64878 + ... + 64925.

It is an arithmetic number, because the mean of its divisors is an integer number (486765).

Almost surely, 23115272 is an apocalyptic number.

It is an amenable number.

3115272 is an abundant number, since it is smaller than the sum of its proper divisors (4672968).

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

3115272 is a wasteful number, since it uses less digits than its factorization.

3115272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129812 (or 129808 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 3115272 is about 1765.0133143974. The cubic root of 3115272 is about 146.0490233821.

The spelling of 3115272 in words is "three million, one hundred fifteen thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 129803 259606 389409 519212 778818 1038424 1557636 3115272