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56509074 = 2323139393
BaseRepresentation
bin1101011110010…
…0001010010010
310221022221212200
43113210022102
5103431242244
65335104030
71254214326
oct327441222
9127287780
1056509074
1129997116
1216b12016
13b92702b
14770d986
154e63669
hex35e4292

56509074 has 12 divisors (see below), whose sum is σ = 122436366. Its totient is φ = 18836352.

The previous prime is 56509051. The next prime is 56509147. The reversal of 56509074 is 47090565.

56509074 is a `hidden beast` number, since 565 + 0 + 90 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 3583449 = 7275^2 + 1893^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1569679 + ... + 1569714.

Almost surely, 256509074 is an apocalyptic number.

56509074 is an abundant number, since it is smaller than the sum of its proper divisors (65927292).

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

56509074 is a wasteful number, since it uses less digits than its factorization.

56509074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139401 (or 3139398 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56509074 is about 7517.2517584553. The cubic root of 56509074 is about 383.7420549590.

The spelling of 56509074 in words is "fifty-six million, five hundred nine thousand, seventy-four".

Divisors: 1 2 3 6 9 18 3139393 6278786 9418179 18836358 28254537 56509074