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252156 = 22321013
BaseRepresentation
bin111101100011111100
3110210220010
4331203330
531032111
65223220
72100102
oct754374
9423803
10252156
111624a3
12101b10
138aa08
1467c72
154eaa6
hex3d8fc

252156 has 12 divisors (see below), whose sum is σ = 588392. Its totient is φ = 84048.

The previous prime is 252151. The next prime is 252157. The reversal of 252156 is 651252.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252151) 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, 10495 + ... + 10518.

2252156 is an apocalyptic number.

It is an amenable number.

252156 is an abundant number, since it is smaller than the sum of its proper divisors (336236).

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

252156 is a wasteful number, since it uses less digits than its factorization.

252156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020 (or 21018 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 252156 is about 502.1513716002. The cubic root of 252156 is about 63.1766270459.

The spelling of 252156 in words is "two hundred fifty-two thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 21013 42026 63039 84052 126078 252156