Search a number
-
+
56877760 = 265177743
BaseRepresentation
bin1101100011111…
…0001011000000
310222000200121201
43120332023000
5104030042020
65351030544
71260311242
oct330761300
9128020551
1056877760
112a119115
121706b454
13ba25aa4
1477a8092
154ed7a0a
hex363e2c0

56877760 has 28 divisors (see below), whose sum is σ = 135440928. Its totient is φ = 22750976.

The previous prime is 56877739. The next prime is 56877761. The reversal of 56877760 is 6777865.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56877760.

It is not an unprimeable number, because it can be changed into a prime (56877761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88552 + ... + 89191.

It is an arithmetic number, because the mean of its divisors is an integer number (4837176).

Almost surely, 256877760 is an apocalyptic number.

It is an amenable number.

56877760 is an abundant number, since it is smaller than the sum of its proper divisors (78563168).

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

56877760 is a wasteful number, since it uses less digits than its factorization.

56877760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177760 (or 177750 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 56877760 is about 7541.7345484974. The cubic root of 56877760 is about 384.5748046622.

The spelling of 56877760 in words is "fifty-six million, eight hundred seventy-seven thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 177743 355486 710972 888715 1421944 1777430 2843888 3554860 5687776 7109720 11375552 14219440 28438880 56877760