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56978832 = 2431769827
BaseRepresentation
bin1101100101011…
…0110110010000
310222012211021010
43121112312100
5104041310312
65353130520
71261212021
oct331266620
9128184233
1056978832
112a188049
12170b9a40
13ba5cab1
1477d2c48
15500793c
hex3656d90

56978832 has 40 divisors (see below), whose sum is σ = 155856096. Its totient is φ = 17875456.

The previous prime is 56978813. The next prime is 56978839. The reversal of 56978832 is 23887965.

56978832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (56978839) 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 7 ways as a sum of consecutive naturals, for example, 34098 + ... + 35729.

Almost surely, 256978832 is an apocalyptic number.

It is an amenable number.

56978832 is an abundant number, since it is smaller than the sum of its proper divisors (98877264).

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

56978832 is a wasteful number, since it uses less digits than its factorization.

56978832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69855 (or 69849 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 56978832 is about 7548.4324200459. The cubic root of 56978832 is about 384.8024668361.

It can be divided in two parts, 569 and 78832, that added together give a triangular number (79401 = T398).

The spelling of 56978832 in words is "fifty-six million, nine hundred seventy-eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 69827 139654 209481 279308 418962 558616 837924 1117232 1187059 1675848 2374118 3351696 3561177 4748236 7122354 9496472 14244708 18992944 28489416 56978832