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130525400 = 2352652627
BaseRepresentation
bin1111100011110…
…10100011011000
3100002121101012002
413301322203120
5231403303100
620541340132
73143306345
oct761724330
9302541162
10130525400
1167750735
1237867648
1321070985
14134997cc
15b6d42d5
hex7c7a8d8

130525400 has 24 divisors (see below), whose sum is σ = 303472020. Its totient is φ = 52210080.

The previous prime is 130525349. The next prime is 130525471. The reversal of 130525400 is 4525031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326114 + ... + 326513.

Almost surely, 2130525400 is an apocalyptic number.

130525400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130525400 is an abundant number, since it is smaller than the sum of its proper divisors (172946620).

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

130525400 is a wasteful number, since it uses less digits than its factorization.

130525400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652643 (or 652634 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 130525400 is about 11424.7713325038. The cubic root of 130525400 is about 507.2612383641.

The spelling of 130525400 in words is "one hundred thirty million, five hundred twenty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 652627 1305254 2610508 3263135 5221016 6526270 13052540 16315675 26105080 32631350 65262700 130525400