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130508232 = 23373163457
BaseRepresentation
bin1111100011101…
…10010111001000
3100002120111122020
413301312113020
5231402230412
620541124440
73143205321
oct761662710
9302514566
10130508232
1167739848
1237859720
1321065c0a
1413493448
15b6ce18c
hex7c765c8

130508232 has 64 divisors (see below), whose sum is σ = 333497280. Its totient is φ = 42550272.

The previous prime is 130508197. The next prime is 130508239. The reversal of 130508232 is 232805031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (130508239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285348 + ... + 285804.

It is an arithmetic number, because the mean of its divisors is an integer number (5210895).

Almost surely, 2130508232 is an apocalyptic number.

130508232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130508232 is an abundant number, since it is smaller than the sum of its proper divisors (202989048).

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

130508232 is a wasteful number, since it uses less digits than its factorization.

130508232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 130508232 is about 11424.0199579658. The cubic root of 130508232 is about 507.2389973730.

The spelling of 130508232 in words is "one hundred thirty million, five hundred eight thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 73 146 163 219 292 326 438 457 489 584 652 876 914 978 1304 1371 1752 1828 1956 2742 3656 3912 5484 10968 11899 23798 33361 35697 47596 66722 71394 74491 95192 100083 133444 142788 148982 200166 223473 266888 285576 297964 400332 446946 595928 800664 893892 1787784 5437843 10875686 16313529 21751372 32627058 43502744 65254116 130508232