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56650540 = 2252832527
BaseRepresentation
bin1101100000011…
…0101100101100
310221121010221011
43120012230230
5104000304130
65342115004
71255343632
oct330065454
9127533834
1056650540
1129a83431
1216b7ba64
13b97653b
147749352
154e9052a
hex3606b2c

56650540 has 12 divisors (see below), whose sum is σ = 118966176. Its totient is φ = 22660208.

The previous prime is 56650523. The next prime is 56650553. The reversal of 56650540 is 4505665.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416244 + ... + 1416283.

It is an arithmetic number, because the mean of its divisors is an integer number (9913848).

Almost surely, 256650540 is an apocalyptic number.

It is an amenable number.

56650540 is an abundant number, since it is smaller than the sum of its proper divisors (62315636).

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

56650540 is a wasteful number, since it uses less digits than its factorization.

56650540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832536 (or 2832534 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 56650540 is about 7526.6552996666. The cubic root of 56650540 is about 384.0620107466.

The spelling of 56650540 in words is "fifty-six million, six hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2832527 5665054 11330108 14162635 28325270 56650540