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56685808 = 243542863
BaseRepresentation
bin1101100000111…
…1010011110000
310221122221022101
43120033103300
5104002421213
65342550144
71255551514
oct330172360
9127587271
1056685808
1129aa7983
1216b98354
13b9895ca
147758144
154e9abdd
hex360f4f0

56685808 has 10 divisors (see below), whose sum is σ = 109828784. Its totient is φ = 28342896.

The previous prime is 56685793. The next prime is 56685809. The reversal of 56685808 is 80858665.

56685808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×566858082 = 6426561657225728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56685809) 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 as a sum of consecutive naturals, namely, 1771416 + ... + 1771447.

Almost surely, 256685808 is an apocalyptic number.

It is an amenable number.

56685808 is a deficient number, since it is larger than the sum of its proper divisors (53142976).

56685808 is a wasteful number, since it uses less digits than its factorization.

56685808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542871 (or 3542865 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 56685808 is about 7528.9978084736. The cubic root of 56685808 is about 384.1416939477.

It can be divided in two parts, 5668 and 5808, that added together give a triangular number (11476 = T151).

The spelling of 56685808 in words is "fifty-six million, six hundred eighty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 3542863 7085726 14171452 28342904 56685808