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56871360 = 26325721331
BaseRepresentation
bin1101100011110…
…0100111000000
310222000100211200
43120330213000
5104024340420
65350541200
71260253500
oct330744700
9128010750
1056871360
112a114327
1217067800
13ba22bc0
1477a5a00
154ed5b90
hex363c9c0

56871360 has 504 divisors, whose sum is σ = 252959616. Its totient is φ = 11612160.

The previous prime is 56871359. The next prime is 56871379. The reversal of 56871360 is 6317865.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1834545 + ... + 1834575.

It is an arithmetic number, because the mean of its divisors is an integer number (501904).

It is a vampire number, since it can be written as 65108736 (with its own digits).

Almost surely, 256871360 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 56871360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126479808).

56871360 is an abundant number, since it is smaller than the sum of its proper divisors (196088256).

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

56871360 is a wasteful number, since it uses less digits than its factorization.

56871360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 56871360 is about 7541.3102309877. The cubic root of 56871360 is about 384.5603797442.

The spelling of 56871360 in words is "fifty-six million, eight hundred seventy-one thousand, three hundred sixty".