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56418972 = 2236317451
BaseRepresentation
bin1101011100111…
…0001010011100
310221011101021120
43113032022130
5103420401342
65333130540
71253360541
oct327161234
9127141246
1056418972
1129935455
1216a89a50
13b8c500c
1476c8bc8
154e46aec
hex35ce29c

56418972 has 24 divisors (see below), whose sum is σ = 131870592. Its totient is φ = 18774000.

The previous prime is 56418919. The next prime is 56418997. The reversal of 56418972 is 27981465.

It is a congruent number.

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, 3847 + ... + 11297.

It is an arithmetic number, because the mean of its divisors is an integer number (5494608).

Almost surely, 256418972 is an apocalyptic number.

It is an amenable number.

56418972 is an abundant number, since it is smaller than the sum of its proper divisors (75451620).

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

56418972 is a wasteful number, since it uses less digits than its factorization.

56418972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089 (or 8087 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 56418972 is about 7511.2563529679. The cubic root of 56418972 is about 383.5379914506.

The spelling of 56418972 in words is "fifty-six million, four hundred eighteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 631 1262 1893 2524 3786 7451 7572 14902 22353 29804 44706 89412 4701581 9403162 14104743 18806324 28209486 56418972