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130912040 = 2357467543
BaseRepresentation
bin1111100110110…
…00111100101000
3100010100000120002
413303120330220
5232003141130
620553522132
73146506520
oct763307450
9303300502
10130912040
1167995176
1237a13348
132117795c
141355a680
15b75db45
hex7cd8f28

130912040 has 32 divisors (see below), whose sum is σ = 336631680. Its totient is φ = 44884032.

The previous prime is 130912027. The next prime is 130912097. The reversal of 130912040 is 40219031.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233492 + ... + 234051.

It is an arithmetic number, because the mean of its divisors is an integer number (10519740).

Almost surely, 2130912040 is an apocalyptic number.

130912040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130912040 is an abundant number, since it is smaller than the sum of its proper divisors (205719640).

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

130912040 is a wasteful number, since it uses less digits than its factorization.

130912040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467561 (or 467557 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 130912040 is about 11441.6799465813. The cubic root of 130912040 is about 507.7616113392.

The spelling of 130912040 in words is "one hundred thirty million, nine hundred twelve thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 467543 935086 1870172 2337715 3272801 3740344 4675430 6545602 9350860 13091204 16364005 18701720 26182408 32728010 65456020 130912040