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56943885 = 3518712029
BaseRepresentation
bin1101100100111…
…0010100001101
310222011001022210
43121032110031
5104034201020
65352301033
71261005105
oct331162415
9128131283
1056943885
112a163869
12170a1779
13ba49c0b
1477c4205
154eec3e0
hex364e50d

56943885 has 16 divisors (see below), whose sum is σ = 91203840. Its totient is φ = 30338880.

The previous prime is 56943871. The next prime is 56943899. The reversal of 56943885 is 58834965.

It is a happy number.

56943885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56943871) and next prime (56943899).

It is not a de Polignac number, because 56943885 - 25 = 56943853 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 27051 + ... + 29079.

It is an arithmetic number, because the mean of its divisors is an integer number (5700240).

Almost surely, 256943885 is an apocalyptic number.

It is an amenable number.

56943885 is a deficient number, since it is larger than the sum of its proper divisors (34259955).

56943885 is a wasteful number, since it uses less digits than its factorization.

56943885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908.

The product of its digits is 1036800, while the sum is 48.

The square root of 56943885 is about 7546.1172135079. The cubic root of 56943885 is about 384.7237800585.

The spelling of 56943885 in words is "fifty-six million, nine hundred forty-three thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 1871 2029 5613 6087 9355 10145 28065 30435 3796259 11388777 18981295 56943885