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56630012 = 2214157503
BaseRepresentation
bin1101100000000…
…1101011111100
310221120002202212
43120001223330
5103444130022
65341435552
71255230035
oct330015374
9127502685
1056630012
1129a69a6a
1216b6bbb8
13b96a0aa
147741a8c
154e893e2
hex3601afc

56630012 has 6 divisors (see below), whose sum is σ = 99102528. Its totient is φ = 28315004.

The previous prime is 56630003. The next prime is 56630033. The reversal of 56630012 is 21003665.

56630012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56630012.

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 as a sum of consecutive naturals, namely, 7078748 + ... + 7078755.

It is an arithmetic number, because the mean of its divisors is an integer number (16517088).

Almost surely, 256630012 is an apocalyptic number.

It is an amenable number.

56630012 is a deficient number, since it is larger than the sum of its proper divisors (42472516).

56630012 is a wasteful number, since it uses less digits than its factorization.

56630012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157507 (or 14157505 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 56630012 is about 7525.2914893710. The cubic root of 56630012 is about 384.0156153228.

Adding to 56630012 its reverse (21003665), we get a palindrome (77633677).

The spelling of 56630012 in words is "fifty-six million, six hundred thirty thousand, twelve".

Divisors: 1 2 4 14157503 28315006 56630012