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15172052 = 227541859
BaseRepresentation
bin111001111000…
…000111010100
31001112211010212
4321320013110
512341001202
61301104552
7242650250
oct71700724
931484125
1015172052
118622a95
1250b8158
1331b2a5c
14202d260
1514ea652
hexe781d4

15172052 has 12 divisors (see below), whose sum is σ = 30344160. Its totient is φ = 6502296.

The previous prime is 15172043. The next prime is 15172063. The reversal of 15172052 is 25027151.

It is a happy number.

15172052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

15172052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270902 + ... + 270957.

It is an arithmetic number, because the mean of its divisors is an integer number (2528680).

Almost surely, 215172052 is an apocalyptic number.

It is an amenable number.

15172052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15172052 is a wasteful number, since it uses less digits than its factorization.

15172052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541870 (or 541868 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 15172052 is about 3895.1318334557. The cubic root of 15172052 is about 247.5605511136.

The spelling of 15172052 in words is "fifteen million, one hundred seventy-two thousand, fifty-two".

Divisors: 1 2 4 7 14 28 541859 1083718 2167436 3793013 7586026 15172052