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56997012 = 2234749751
BaseRepresentation
bin1101100101101…
…1010010010100
310222020202012110
43121123102110
5104042401022
65353351020
71261316022
oct331332224
9128222173
1056997012
112a19a776
1217108470
13ba68157
1477d9712
15500d00c
hex365b494

56997012 has 12 divisors (see below), whose sum is σ = 132993056. Its totient is φ = 18999000.

The previous prime is 56996981. The next prime is 56997047. The reversal of 56997012 is 21079965.

56997012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374864 + ... + 2374887.

Almost surely, 256997012 is an apocalyptic number.

It is an amenable number.

56997012 is an abundant number, since it is smaller than the sum of its proper divisors (75996044).

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

56997012 is a wasteful number, since it uses less digits than its factorization.

56997012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749758 (or 4749756 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 56997012 is about 7549.6365475432. The cubic root of 56997012 is about 384.8433882608.

The spelling of 56997012 in words is "fifty-six million, nine hundred ninety-seven thousand, twelve".

Divisors: 1 2 3 4 6 12 4749751 9499502 14249253 18999004 28498506 56997012