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56913286 = 228456643
BaseRepresentation
bin1101100100011…
…0110110000110
310222002111100111
43121012312012
5104032211121
65351503234
71260516643
oct331066606
9128074314
1056913286
112a142881
1217087b1a
13ba39001
1477b6dca
154ee32e1
hex3646d86

56913286 has 4 divisors (see below), whose sum is σ = 85369932. Its totient is φ = 28456642.

The previous prime is 56913271. The next prime is 56913299. The reversal of 56913286 is 68231965.

56913286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 14228320 + ... + 14228323.

It is an arithmetic number, because the mean of its divisors is an integer number (21342483).

Almost surely, 256913286 is an apocalyptic number.

56913286 is a deficient number, since it is larger than the sum of its proper divisors (28456646).

56913286 is a wasteful number, since it uses less digits than its factorization.

56913286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28456645.

The product of its digits is 77760, while the sum is 40.

The square root of 56913286 is about 7544.0894745489. The cubic root of 56913286 is about 384.6548568125.

The spelling of 56913286 in words is "fifty-six million, nine hundred thirteen thousand, two hundred eighty-six".

Divisors: 1 2 28456643 56913286