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56700900 = 2232522512
BaseRepresentation
bin1101100001001…
…0111111100100
310221200201000100
43120102333210
5104003412100
65343144100
71255643514
oct330227744
9127621010
1056700900
112a008253
1216ba5030
13b993439
14775d844
154ea0400
hex3612fe4

56700900 has 81 divisors (see below), whose sum is σ = 178436713. Its totient is φ = 15060000.

The previous prime is 56700893. The next prime is 56700913. The reversal of 56700900 is 900765.

The square root of 56700900 is 7530.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20412324 + 36288576 = 4518^2 + 6024^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 225775 + ... + 226025.

Almost surely, 256700900 is an apocalyptic number.

56700900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56700900 is the 7530-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56700900

56700900 is an abundant number, since it is smaller than the sum of its proper divisors (121735813).

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

56700900 is a wasteful number, since it uses less digits than its factorization.

56700900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The cubic root of 56700900 is about 384.1757821508.

It can be divided in two parts, 56700 and 900, that added together give a square (57600 = 2402).

The spelling of 56700900 in words is "fifty-six million, seven hundred thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 251 300 450 502 753 900 1004 1255 1506 2259 2510 3012 3765 4518 5020 6275 7530 9036 11295 12550 15060 18825 22590 25100 37650 45180 56475 63001 75300 112950 126002 189003 225900 252004 315005 378006 567009 630010 756012 945015 1134018 1260020 1575025 1890030 2268036 2835045 3150050 3780060 4725075 5670090 6300100 9450150 11340180 14175225 18900300 28350450 56700900