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56125560 = 2335467713
BaseRepresentation
bin1101011000011…
…0100001111000
310220121110210110
43112012201320
5103332004220
65322544320
71251026241
oct326064170
9126543713
1056125560
1129754a67
12169680a0
13b8215ba
14764dcc8
154dd9be0
hex3586878

56125560 has 32 divisors (see below), whose sum is σ = 168377040. Its totient is φ = 14966784.

The previous prime is 56125549. The next prime is 56125561. The reversal of 56125560 is 6552165.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56125561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233737 + ... + 233976.

Almost surely, 256125560 is an apocalyptic number.

It is an amenable number.

56125560 is an abundant number, since it is smaller than the sum of its proper divisors (112251480).

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

56125560 is a wasteful number, since it uses less digits than its factorization.

56125560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467727 (or 467723 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 56125560 is about 7491.6994066767. The cubic root of 56125560 is about 382.8719607818.

The spelling of 56125560 in words is "fifty-six million, one hundred twenty-five thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 467713 935426 1403139 1870852 2338565 2806278 3741704 4677130 5612556 7015695 9354260 11225112 14031390 18708520 28062780 56125560