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56768520 = 23354671013
BaseRepresentation
bin1101100010001…
…1100000001000
310221211010202210
43120203200020
5104013043040
65344425120
71256344614
oct330434010
9127733683
1056768520
112a054036
12170181a0
13b9b8153
14777a344
154eb5480
hex3623808

56768520 has 64 divisors (see below), whose sum is σ = 170838720. Its totient is φ = 15090944.

The previous prime is 56768507. The next prime is 56768539. The reversal of 56768520 is 2586765.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55534 + ... + 56546.

It is an arithmetic number, because the mean of its divisors is an integer number (2669355).

Almost surely, 256768520 is an apocalyptic number.

It is an amenable number.

56768520 is an abundant number, since it is smaller than the sum of its proper divisors (114070200).

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

56768520 is a wasteful number, since it uses less digits than its factorization.

56768520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 56768520 is about 7534.4887019625. The cubic root of 56768520 is about 384.3284407879.

It can be divided in two parts, 5676 and 8520, that added together give a triangular number (14196 = T168).

The spelling of 56768520 in words is "fifty-six million, seven hundred sixty-eight thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 467 934 1013 1401 1868 2026 2335 2802 3039 3736 4052 4670 5065 5604 6078 7005 8104 9340 10130 11208 12156 14010 15195 18680 20260 24312 28020 30390 40520 56040 60780 121560 473071 946142 1419213 1892284 2365355 2838426 3784568 4730710 5676852 7096065 9461420 11353704 14192130 18922840 28384260 56768520