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56791992 = 23343113487
BaseRepresentation
bin1101100010100…
…1001110111000
310221212022222010
43120221032320
5104014320432
65345125520
71256503215
oct330511670
9127768863
1056791992
112a06a734
12170298a0
13b9c5a3a
147784b0c
154ebc3cc
hex36293b8

56791992 has 64 divisors (see below), whose sum is σ = 146868480. Its totient is φ = 18289152.

The previous prime is 56791979. The next prime is 56791993. The reversal of 56791992 is 29919765.

56791992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56791993) by changing a digit.

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, 116373 + ... + 116859.

It is an arithmetic number, because the mean of its divisors is an integer number (2294820).

Almost surely, 256791992 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 56791992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73434240).

56791992 is an abundant number, since it is smaller than the sum of its proper divisors (90076488).

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

56791992 is a wasteful number, since it uses less digits than its factorization.

56791992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 648 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 56791992 is about 7536.0461782025. The cubic root of 56791992 is about 384.3814027356.

The spelling of 56791992 in words is "fifty-six million, seven hundred ninety-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 43 86 113 129 172 226 258 339 344 452 487 516 678 904 974 1032 1356 1461 1948 2712 2922 3896 4859 5844 9718 11688 14577 19436 20941 29154 38872 41882 55031 58308 62823 83764 110062 116616 125646 165093 167528 220124 251292 330186 440248 502584 660372 1320744 2366333 4732666 7098999 9465332 14197998 18930664 28395996 56791992