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56030680 = 23511511217
BaseRepresentation
bin1101010110111…
…1010111011000
310220102122122101
43111233113120
5103320440210
65320533144
71250152516
oct325572730
9126378571
1056030680
112969a752
12169211b4
13b7ba364
1476274b6
154dbba3a
hex356f5d8

56030680 has 32 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 22374400.

The previous prime is 56030669. The next prime is 56030713. The reversal of 56030680 is 8603065.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45432 + ... + 46648.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 256030680 is an apocalyptic number.

It is an amenable number.

56030680 is an abundant number, since it is smaller than the sum of its proper divisors (70251560).

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

56030680 is a wasteful number, since it uses less digits than its factorization.

56030680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2375 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 56030680 is about 7485.3643865880. The cubic root of 56030680 is about 382.6560913334.

The spelling of 56030680 in words is "fifty-six million, thirty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1151 1217 2302 2434 4604 4868 5755 6085 9208 9736 11510 12170 23020 24340 46040 48680 1400767 2801534 5603068 7003835 11206136 14007670 28015340 56030680