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56576500 = 2253113153
BaseRepresentation
bin1101011111010…
…0100111110100
310221110101100221
43113310213310
5103440422000
65340344124
71254615031
oct327644764
9127411327
1056576500
1129a32842
1216b45044
13b94b926
14772a388
154e7861a
hex35f49f4

56576500 has 24 divisors (see below), whose sum is σ = 123564168. Its totient is φ = 22630400.

The previous prime is 56576497. The next prime is 56576503. The reversal of 56576500 is 567565.

It is an interprime number because it is at equal distance from previous prime (56576497) and next prime (56576503).

It can be written as a sum of positive squares in 4 ways, for example, as 6280036 + 50296464 = 2506^2 + 7092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56576503) 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, 56077 + ... + 57076.

It is an arithmetic number, because the mean of its divisors is an integer number (5148507).

Almost surely, 256576500 is an apocalyptic number.

56576500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56576500 is an abundant number, since it is smaller than the sum of its proper divisors (66987668).

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

56576500 is a wasteful number, since it uses less digits than its factorization.

56576500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113172 (or 113160 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 56576500 is about 7521.7351721528. The cubic root of 56576500 is about 383.8946198826.

The spelling of 56576500 in words is "fifty-six million, five hundred seventy-six thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 113153 226306 452612 565765 1131530 2263060 2828825 5657650 11315300 14144125 28288250 56576500