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56036805 = 3511339617
BaseRepresentation
bin1101010111000…
…0110111000101
310220102222001020
43111300313011
5103321134210
65321021353
71250206416
oct325606705
9126388036
1056036805
11296a4310
1216924859
13b7c0096
14762980d
154dbd770
hex3570dc5

56036805 has 16 divisors (see below), whose sum is σ = 97809984. Its totient is φ = 27169280.

The previous prime is 56036797. The next prime is 56036819. The reversal of 56036805 is 50863065.

It is not a de Polignac number, because 56036805 - 23 = 56036797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169644 + ... + 169973.

It is an arithmetic number, because the mean of its divisors is an integer number (6113124).

Almost surely, 256036805 is an apocalyptic number.

56036805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56036805 is a deficient number, since it is larger than the sum of its proper divisors (41773179).

56036805 is a wasteful number, since it uses less digits than its factorization.

56036805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339636.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56036805 is about 7485.7735071267. The cubic root of 56036805 is about 382.6700341897.

The spelling of 56036805 in words is "fifty-six million, thirty-six thousand, eight hundred five".

Divisors: 1 3 5 11 15 33 55 165 339617 1018851 1698085 3735787 5094255 11207361 18678935 56036805