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130232040 = 23352937423
BaseRepresentation
bin1111100001100…
…10111011101000
3100002001110202220
413300302323220
5231314411130
620531154040
73140645151
oct760627350
9302043686
10130232040
1167570294
1237745920
1320c9a2a3
1413420928
15b677410
hex7c32ee8

130232040 has 64 divisors (see below), whose sum is σ = 404179200. Its totient is φ = 33530112.

The previous prime is 130232033. The next prime is 130232051. The reversal of 130232040 is 40232031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15232 + ... + 22191.

It is an arithmetic number, because the mean of its divisors is an integer number (6315300).

Almost surely, 2130232040 is an apocalyptic number.

130232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130232040 is an abundant number, since it is smaller than the sum of its proper divisors (273947160).

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

130232040 is a wasteful number, since it uses less digits than its factorization.

130232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37466 (or 37462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 130232040 is about 11411.9253415013. The cubic root of 130232040 is about 506.8809246947.

Adding to 130232040 its reverse (40232031), we get a palindrome (170464071).

Subtracting from 130232040 its reverse (40232031), we obtain a palindrome (90000009).

The spelling of 130232040 in words is "one hundred thirty million, two hundred thirty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 58 60 87 116 120 145 174 232 290 348 435 580 696 870 1160 1740 3480 37423 74846 112269 149692 187115 224538 299384 374230 449076 561345 748460 898152 1085267 1122690 1496920 2170534 2245380 3255801 4341068 4490760 5426335 6511602 8682136 10852670 13023204 16279005 21705340 26046408 32558010 43410680 65116020 130232040