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56280480 = 2535117251
BaseRepresentation
bin1101011010110…
…0010110100000
310220220100022020
43112230112200
5103401433410
65330141440
71252243014
oct326542640
9126810266
1056280480
11298503a3
1216a21880
13b876c79
147690544
154e1aa70
hex35ac5a0

56280480 has 48 divisors (see below), whose sum is σ = 177285024. Its totient is φ = 15008000.

The previous prime is 56280463. The next prime is 56280481. The reversal of 56280480 is 8408265.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (56280481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58146 + ... + 59105.

It is an arithmetic number, because the mean of its divisors is an integer number (3693438).

Almost surely, 256280480 is an apocalyptic number.

It is an amenable number.

56280480 is an abundant number, since it is smaller than the sum of its proper divisors (121004544).

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

56280480 is a wasteful number, since it uses less digits than its factorization.

56280480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117269 (or 117261 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 56280480 is about 7502.0317248063. The cubic root of 56280480 is about 383.2239099566.

The spelling of 56280480 in words is "fifty-six million, two hundred eighty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 117251 234502 351753 469004 586255 703506 938008 1172510 1407012 1758765 1876016 2345020 2814024 3517530 3752032 4690040 5628048 7035060 9380080 11256096 14070120 18760160 28140240 56280480