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56379439 = 53220071
BaseRepresentation
bin1101011100010…
…0100000101111
310221002101001101
43113010200233
5103413120224
65332223531
71253134354
oct327044057
9127071041
1056379439
1129908786
1216a6aba7
13b8b001c
1476b862b
154e3a044
hex35c482f

56379439 has 6 divisors (see below), whose sum is σ = 57466136. Its totient is φ = 55312920.

The previous prime is 56379437. The next prime is 56379443. The reversal of 56379439 is 93497365.

56379439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56379439 - 21 = 56379437 is a prime.

It is a super-2 number, since 2×563794392 = 6357282283909442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56379437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7227 + ... + 12844.

Almost surely, 256379439 is an apocalyptic number.

56379439 is a deficient number, since it is larger than the sum of its proper divisors (1086697).

56379439 is an equidigital number, since it uses as much as digits as its factorization.

56379439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20177 (or 20124 counting only the distinct ones).

The product of its digits is 612360, while the sum is 46.

The square root of 56379439 is about 7508.6243080873. The cubic root of 56379439 is about 383.4483883159.

The spelling of 56379439 in words is "fifty-six million, three hundred seventy-nine thousand, four hundred thirty-nine".

Divisors: 1 53 2809 20071 1063763 56379439