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56397344 = 252960773
BaseRepresentation
bin1101011100100…
…0111000100000
310221010021121112
43113020320200
5103414203334
65332442452
71253240513
oct327107040
9127107545
1056397344
1129920183
1216a79428
13b8b8213
1476c0d7a
154e404ce
hex35c8e20

56397344 has 24 divisors (see below), whose sum is σ = 114862860. Its totient is φ = 27225856.

The previous prime is 56397323. The next prime is 56397349. The reversal of 56397344 is 44379365.

It can be written as a sum of positive squares in 2 ways, for example, as 53875600 + 2521744 = 7340^2 + 1588^2 .

It is not an unprimeable number, because it can be changed into a prime (56397349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29459 + ... + 31314.

Almost surely, 256397344 is an apocalyptic number.

It is an amenable number.

56397344 is an abundant number, since it is smaller than the sum of its proper divisors (58465516).

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

56397344 is a wasteful number, since it uses less digits than its factorization.

56397344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60812 (or 60804 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 56397344 is about 7509.8165090766. The cubic root of 56397344 is about 383.4889759062.

The spelling of 56397344 in words is "fifty-six million, three hundred ninety-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 60773 121546 243092 486184 972368 1762417 1944736 3524834 7049668 14099336 28198672 56397344