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56563972 = 2237382189
BaseRepresentation
bin1101011111000…
…1100100000100
310221102202011221
43113301210010
5103440021342
65340210124
71254533353
oct327614404
9127382157
1056563972
1129a24393
1216b39944
13b94600a
14772599a
154e74a67
hex35f1904

56563972 has 12 divisors (see below), whose sum is σ = 101662540. Its totient is φ = 27517536.

The previous prime is 56563957. The next prime is 56563973. The reversal of 56563972 is 27936565.

It can be written as a sum of positive squares in 2 ways, for example, as 30206016 + 26357956 = 5496^2 + 5134^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56563973) 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, 190947 + ... + 191242.

Almost surely, 256563972 is an apocalyptic number.

It is an amenable number.

56563972 is a deficient number, since it is larger than the sum of its proper divisors (45098568).

56563972 is a wasteful number, since it uses less digits than its factorization.

56563972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382230 (or 382228 counting only the distinct ones).

The product of its digits is 340200, while the sum is 43.

The square root of 56563972 is about 7520.9023394803. The cubic root of 56563972 is about 383.8662819282.

The spelling of 56563972 in words is "fifty-six million, five hundred sixty-three thousand, nine hundred seventy-two".

Divisors: 1 2 4 37 74 148 382189 764378 1528756 14140993 28281986 56563972