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56730894 = 2311859559
BaseRepresentation
bin1101100001101…
…0010100001110
310221202020011020
43120122110032
5104010342034
65343535010
71256130123
oct330322416
9127666136
1056730894
112a028840
1216bba466
13b9a3c9c
14776a74a
154ea9249
hex361a50e

56730894 has 16 divisors (see below), whose sum is σ = 123776640. Its totient is φ = 17191160.

The previous prime is 56730893. The next prime is 56730907. The reversal of 56730894 is 49803765.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56730893) 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, 429714 + ... + 429845.

It is an arithmetic number, because the mean of its divisors is an integer number (7736040).

Almost surely, 256730894 is an apocalyptic number.

56730894 is an abundant number, since it is smaller than the sum of its proper divisors (67045746).

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

56730894 is a wasteful number, since it uses less digits than its factorization.

56730894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859575.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 56730894 is about 7531.9913701491. The cubic root of 56730894 is about 384.2435114530.

The spelling of 56730894 in words is "fifty-six million, seven hundred thirty thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 859559 1719118 2578677 5157354 9455149 18910298 28365447 56730894