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56100928 = 261367429
BaseRepresentation
bin1101011000000…
…0100001000000
310220120020000011
43112000201000
5103330212203
65322234304
71250564362
oct326004100
9126506004
1056100928
1129738504
1216955994
13b813320
147644d32
154dd276d
hex3580840

56100928 has 28 divisors (see below), whose sum is σ = 119890540. Its totient is φ = 25892352.

The previous prime is 56100923. The next prime is 56100929. The reversal of 56100928 is 82900165.

It can be written as a sum of positive squares in 2 ways, for example, as 2985984 + 53114944 = 1728^2 + 7288^2 .

It is a super-2 number, since 2×561009282 = 6294628244922368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56100928.

It is not an unprimeable number, because it can be changed into a prime (56100923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32883 + ... + 34546.

It is an arithmetic number, because the mean of its divisors is an integer number (4281805).

Almost surely, 256100928 is an apocalyptic number.

It is an amenable number.

56100928 is an abundant number, since it is smaller than the sum of its proper divisors (63789612).

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

56100928 is a wasteful number, since it uses less digits than its factorization.

56100928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67454 (or 67444 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 56100928 is about 7490.0552734943. The cubic root of 56100928 is about 382.8159418477.

The spelling of 56100928 in words is "fifty-six million, one hundred thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 67429 134858 269716 539432 876577 1078864 1753154 2157728 3506308 4315456 7012616 14025232 28050464 56100928