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56797884 = 2232112131759
BaseRepresentation
bin1101100010101…
…0101010111100
310221212122001100
43120222222330
5104020013014
65345213100
71256526333
oct330525274
9127778040
1056797884
112a074100
1217031190
13b9c8620
147786d1a
154ebe009
hex362aabc

56797884 has 216 divisors, whose sum is σ = 182997360. Its totient is φ = 14699520.

The previous prime is 56797823. The next prime is 56797889. The reversal of 56797884 is 48879765.

56797884 is a `hidden beast` number, since 567 + 9 + 78 + 8 + 4 = 666.

Its product of digits (3386880) is a multiple of the sum of its prime divisors (105).

It is a self number, because there is not a number n which added to its sum of digits gives 56797884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56797889) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 962647 + ... + 962705.

It is an arithmetic number, because the mean of its divisors is an integer number (847210).

Almost surely, 256797884 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 56797884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91498680).

56797884 is an abundant number, since it is smaller than the sum of its proper divisors (126199476).

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

56797884 is a wasteful number, since it uses less digits than its factorization.

56797884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 105 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 56797884 is about 7536.4370892352. The cubic root of 56797884 is about 384.3946950844.

The spelling of 56797884 in words is "fifty-six million, seven hundred ninety-seven thousand, eight hundred eighty-four".