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56911088 = 241331619
BaseRepresentation
bin1101100100011…
…0010011110000
310222002101100002
43121012103300
5104032123323
65351445132
71260510353
oct331062360
9128071302
1056911088
112a141163
12170867a8
13ba38000
1477b629a
154ee2828
hex36464f0

56911088 has 40 divisors (see below), whose sum is σ = 119523600. Its totient is φ = 26250432.

The previous prime is 56911067. The next prime is 56911093. The reversal of 56911088 is 88011965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34343 + ... + 35961.

It is an arithmetic number, because the mean of its divisors is an integer number (2988090).

Almost surely, 256911088 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 56911088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59761800).

56911088 is an abundant number, since it is smaller than the sum of its proper divisors (62612512).

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

56911088 is a wasteful number, since it uses less digits than its factorization.

56911088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 56911088 is about 7543.9437961851. The cubic root of 56911088 is about 384.6499049385.

The spelling of 56911088 in words is "fifty-six million, nine hundred eleven thousand, eighty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 1619 2197 2704 3238 4394 6476 8788 12952 17576 21047 25904 35152 42094 84188 168376 273611 336752 547222 1094444 2188888 3556943 4377776 7113886 14227772 28455544 56911088