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56863884 = 223711194179
BaseRepresentation
bin1101100011101…
…0110010001100
310221222222120210
43120322302030
5104024121014
65350442420
71260222630
oct330726214
9127888523
1056863884
112a109750
1217063410
13ba1c68c
1477a2dc0
154ed3859
hex363ac8c

56863884 has 192 divisors, whose sum is σ = 180633600. Its totient is φ = 13478400.

The previous prime is 56863879. The next prime is 56863897. The reversal of 56863884 is 48836865.

56863884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 719757 + ... + 719835.

It is an arithmetic number, because the mean of its divisors is an integer number (940800).

Almost surely, 256863884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56863884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90316800).

56863884 is an abundant number, since it is smaller than the sum of its proper divisors (123769716).

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

56863884 is a wasteful number, since it uses less digits than its factorization.

56863884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 162 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 56863884 is about 7540.8145448618. The cubic root of 56863884 is about 384.5435282664.

The spelling of 56863884 in words is "fifty-six million, eight hundred sixty-three thousand, eight hundred eighty-four".