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56425686 = 2317553193
BaseRepresentation
bin1101011100111…
…1110011010110
310221011201111020
43113033303112
5103421110221
65333222010
71253416242
oct327176326
9127151436
1056425686
112993a4a9
1216a91906
13b8c80a5
1476cb422
154e48ac6
hex35cfcd6

56425686 has 16 divisors (see below), whose sum is σ = 119489904. Its totient is φ = 17702144.

The previous prime is 56425667. The next prime is 56425697. The reversal of 56425686 is 68652465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276495 + ... + 276698.

It is an arithmetic number, because the mean of its divisors is an integer number (7468119).

Almost surely, 256425686 is an apocalyptic number.

56425686 is an abundant number, since it is smaller than the sum of its proper divisors (63064218).

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

56425686 is a wasteful number, since it uses less digits than its factorization.

56425686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553215.

The product of its digits is 345600, while the sum is 42.

The square root of 56425686 is about 7511.7032688998. The cubic root of 56425686 is about 383.5532048433.

The spelling of 56425686 in words is "fifty-six million, four hundred twenty-five thousand, six hundred eighty-six".

Divisors: 1 2 3 6 17 34 51 102 553193 1106386 1659579 3319158 9404281 18808562 28212843 56425686