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56650380 = 22352341051
BaseRepresentation
bin1101100000011…
…0101010001100
310221121010201020
43120012222030
5104000303010
65342114140
71255343313
oct330065214
9127533636
1056650380
1129a832a6
1216b7b950
13b976447
14774927a
154e90470
hex3606a8c

56650380 has 48 divisors (see below), whose sum is σ = 165521664. Its totient is φ = 14449600.

The previous prime is 56650379. The next prime is 56650387. The reversal of 56650380 is 8305665.

It is not an unprimeable number, because it can be changed into a prime (56650387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19146 + ... + 21905.

It is an arithmetic number, because the mean of its divisors is an integer number (3448368).

Almost surely, 256650380 is an apocalyptic number.

It is an amenable number.

56650380 is an abundant number, since it is smaller than the sum of its proper divisors (108871284).

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

56650380 is a wasteful number, since it uses less digits than its factorization.

56650380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41086 (or 41084 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56650380 is about 7526.6446707680. The cubic root of 56650380 is about 384.0616491732.

The spelling of 56650380 in words is "fifty-six million, six hundred fifty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 41051 82102 123153 164204 205255 246306 410510 492612 615765 821020 944173 1231530 1888346 2463060 2832519 3776692 4720865 5665038 9441730 11330076 14162595 18883460 28325190 56650380