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56080440 = 233251323521
BaseRepresentation
bin1101010111101…
…1100000111000
310220112011220100
43111323200320
5103324033230
65321555400
71250450553
oct325734070
9126464810
1056080440
1129724079
1216945b60
13b806bc0
14763b69a
154dcb660
hex357b838

56080440 has 192 divisors, whose sum is σ = 205208640. Its totient is φ = 13178880.

The previous prime is 56080439. The next prime is 56080477. The reversal of 56080440 is 4408065.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107380 + ... + 107900.

It is an arithmetic number, because the mean of its divisors is an integer number (1068795).

Almost surely, 256080440 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 56080440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102604320).

56080440 is an abundant number, since it is smaller than the sum of its proper divisors (149128200).

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

56080440 is a wasteful number, since it uses less digits than its factorization.

56080440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 56080440 is about 7488.6874684420. The cubic root of 56080440 is about 382.7693348470.

The spelling of 56080440 in words is "fifty-six million, eighty thousand, four hundred forty".