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23256156 = 22371125169
BaseRepresentation
bin101100010110…
…1110001011100
31121202112110010
41120231301130
521423144111
62150243220
7401450130
oct130556134
947675403
1023256156
1112144770
127956510
134a83551
1431353c0
152095aa6
hex162dc5c

23256156 has 48 divisors (see below), whose sum is σ = 67656960. Its totient is φ = 6040320.

The previous prime is 23256139. The next prime is 23256179. The reversal of 23256156 is 65165232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11661 + ... + 13508.

It is an arithmetic number, because the mean of its divisors is an integer number (1409520).

Almost surely, 223256156 is an apocalyptic number.

It is an amenable number.

23256156 is an abundant number, since it is smaller than the sum of its proper divisors (44400804).

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

23256156 is a wasteful number, since it uses less digits than its factorization.

23256156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25194 (or 25192 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 23256156 is about 4822.4636857109. The cubic root of 23256156 is about 285.4385614783.

The spelling of 23256156 in words is "twenty-three million, two hundred fifty-six thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 25169 50338 75507 100676 151014 176183 276859 302028 352366 528549 553718 704732 830577 1057098 1107436 1661154 1938013 2114196 3322308 3876026 5814039 7752052 11628078 23256156