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56063740 = 2252803187
BaseRepresentation
bin1101010111011…
…1011011111100
310220111022222211
43111313123330
5103323014430
65321350204
71250351065
oct325673374
9126438884
1056063740
1129712577
1216938364
13b7cc415
14763556c
154dc672a
hex35776fc

56063740 has 12 divisors (see below), whose sum is σ = 117733896. Its totient is φ = 22425488.

The previous prime is 56063731. The next prime is 56063741. The reversal of 56063740 is 4736065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56063741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401574 + ... + 1401613.

It is an arithmetic number, because the mean of its divisors is an integer number (9811158).

Almost surely, 256063740 is an apocalyptic number.

It is an amenable number.

56063740 is an abundant number, since it is smaller than the sum of its proper divisors (61670156).

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

56063740 is a wasteful number, since it uses less digits than its factorization.

56063740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803196 (or 2803194 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 56063740 is about 7487.5723702679. The cubic root of 56063740 is about 382.7313365568.

The spelling of 56063740 in words is "fifty-six million, sixty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2803187 5606374 11212748 14015935 28031870 56063740