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130625560 = 23513251203
BaseRepresentation
bin1111100100100…
…11000000011000
3100002210110120201
413302103000120
5231420004220
620543431544
73144204352
oct762230030
9302713521
10130625560
1167809a0a
12378b55b4
13210a7440
14134c40d2
15b703d0a
hex7c93018

130625560 has 32 divisors (see below), whose sum is σ = 316517040. Its totient is φ = 48230784.

The previous prime is 130625531. The next prime is 130625611. The reversal of 130625560 is 65526031.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125082 + ... + 126121.

Almost surely, 2130625560 is an apocalyptic number.

130625560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130625560 is an abundant number, since it is smaller than the sum of its proper divisors (185891480).

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

130625560 is a wasteful number, since it uses less digits than its factorization.

130625560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251227 (or 251223 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 130625560 is about 11429.1539494400. The cubic root of 130625560 is about 507.3909558887.

The spelling of 130625560 in words is "one hundred thirty million, six hundred twenty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 251203 502406 1004812 1256015 2009624 2512030 3265639 5024060 6531278 10048120 13062556 16328195 26125112 32656390 65312780 130625560