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56012788 = 221310710067
BaseRepresentation
bin1101010110101…
…0111111110100
310220101202002201
43111222333310
5103314402123
65320314244
71250046406
oct325527764
9126352081
1056012788
1129688267
1216912984
13b7b2180
147620b76
154db65ad
hex356aff4

56012788 has 24 divisors (see below), whose sum is σ = 106559712. Its totient is φ = 25607904.

The previous prime is 56012707. The next prime is 56012791. The reversal of 56012788 is 88721065.

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, 531 + ... + 10597.

It is an arithmetic number, because the mean of its divisors is an integer number (4439988).

Almost surely, 256012788 is an apocalyptic number.

It is an amenable number.

56012788 is a deficient number, since it is larger than the sum of its proper divisors (50546924).

56012788 is a wasteful number, since it uses less digits than its factorization.

56012788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191 (or 10189 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 56012788 is about 7484.1691589648. The cubic root of 56012788 is about 382.6153564380.

The spelling of 56012788 in words is "fifty-six million, twelve thousand, seven hundred eighty-eight".

Divisors: 1 2 4 13 26 52 107 214 428 1391 2782 5564 10067 20134 40268 130871 261742 523484 1077169 2154338 4308676 14003197 28006394 56012788