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56868784 = 247507757
BaseRepresentation
bin1101100011101…
…1111110110000
310222000020022021
43120323332300
5104024300114
65350521224
71260243130
oct330737660
9128006267
1056868784
112a1123a5
1217066214
13ba2198b
1477a4ac0
154ed5024
hex363bfb0

56868784 has 20 divisors (see below), whose sum is σ = 125923984. Its totient is φ = 24372288.

The previous prime is 56868781. The next prime is 56868793. The reversal of 56868784 is 48786865.

It is not an unprimeable number, because it can be changed into a prime (56868781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253767 + ... + 253990.

Almost surely, 256868784 is an apocalyptic number.

It is an amenable number.

56868784 is an abundant number, since it is smaller than the sum of its proper divisors (69055200).

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

56868784 is a wasteful number, since it uses less digits than its factorization.

56868784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507772 (or 507766 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 56868784 is about 7541.1394364512. The cubic root of 56868784 is about 384.5545734093.

The spelling of 56868784 in words is "fifty-six million, eight hundred sixty-eight thousand, seven hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 507757 1015514 2031028 3554299 4062056 7108598 8124112 14217196 28434392 56868784