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56623371 = 372385193
BaseRepresentation
bin1101100000000…
…0000100001011
310221112202122220
43120000010023
5103443421441
65341345123
71255201500
oct330000413
9127482586
1056623371
1129a64a82
1216b681a3
13b96706c
14773d4a7
154e87466
hex360010b

56623371 has 12 divisors (see below), whose sum is σ = 87824232. Its totient is φ = 32356128.

The previous prime is 56623367. The next prime is 56623373. The reversal of 56623371 is 17332665.

It is not a de Polignac number, because 56623371 - 22 = 56623367 is a prime.

It is a super-2 number, since 2×566233712 = 6412412286807282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56623373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192450 + ... + 192743.

It is an arithmetic number, because the mean of its divisors is an integer number (7318686).

Almost surely, 256623371 is an apocalyptic number.

56623371 is a deficient number, since it is larger than the sum of its proper divisors (31200861).

56623371 is a wasteful number, since it uses less digits than its factorization.

56623371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385210 (or 385203 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 56623371 is about 7524.8502310677. The cubic root of 56623371 is about 384.0006035689. Note that the first 3 decimals are identical.

The spelling of 56623371 in words is "fifty-six million, six hundred twenty-three thousand, three hundred seventy-one".

Divisors: 1 3 7 21 49 147 385193 1155579 2696351 8089053 18874457 56623371