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56087382 = 2313255313
BaseRepresentation
bin1101010111110…
…1001101010110
310220112112102110
43111331031112
5103324244012
65322051450
71250510031
oct325751526
9126475373
1056087382
112972930a
1216949b86
13b80a100
147640018
154dcd73c
hex357d356

56087382 has 24 divisors (see below), whose sum is σ = 121469544. Its totient is φ = 17257344.

The previous prime is 56087371. The next prime is 56087413. The reversal of 56087382 is 28378065.

It is a super-2 number, since 2×560873822 = 6291588839227848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 56087382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26643 + ... + 28670.

It is an arithmetic number, because the mean of its divisors is an integer number (5061231).

Almost surely, 256087382 is an apocalyptic number.

56087382 is an abundant number, since it is smaller than the sum of its proper divisors (65382162).

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

56087382 is a wasteful number, since it uses less digits than its factorization.

56087382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55344 (or 55331 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 56087382 is about 7489.1509532123. The cubic root of 56087382 is about 382.7851280843.

The spelling of 56087382 in words is "fifty-six million, eighty-seven thousand, three hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 55313 110626 165939 331878 719069 1438138 2157207 4314414 9347897 18695794 28043691 56087382