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56876400 = 24325273761
BaseRepresentation
bin1101100011110…
…1110101110000
310222000121202100
43120331311300
5104030021100
65351020400
71260304260
oct330756560
9128017670
1056876400
112a118099
121706a700
13ba25299
1477a77a0
154ed7400
hex363dd70

56876400 has 360 divisors, whose sum is σ = 235468064. Its totient is φ = 12441600.

The previous prime is 56876399. The next prime is 56876431. The reversal of 56876400 is 467865.

It is a happy number.

56876400 is a `hidden beast` number, since 5 + 6 + 8 + 7 + 640 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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, 932370 + ... + 932430.

Almost surely, 256876400 is an apocalyptic number.

56876400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56876400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117734032).

56876400 is an abundant number, since it is smaller than the sum of its proper divisors (178591664).

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

56876400 is a wasteful number, since it uses less digits than its factorization.

56876400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 56876400 is about 7541.6443830242. The cubic root of 56876400 is about 384.5717394577.

The spelling of 56876400 in words is "fifty-six million, eight hundred seventy-six thousand, four hundred".