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130506312 = 2338636301
BaseRepresentation
bin1111100011101…
…01111001001000
3100002120102000010
413301311321020
5231402200222
620541111520
73143166606
oct761657110
9302512003
10130506312
1167738362
12378585a0
1321065091
1413492876
15b6cd80c
hex7c75e48

130506312 has 32 divisors (see below), whose sum is σ = 326695680. Its totient is φ = 43444800.

The previous prime is 130506287. The next prime is 130506317. The reversal of 130506312 is 213605031.

It is not an unprimeable number, because it can be changed into a prime (130506317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17562 + ... + 23862.

It is an arithmetic number, because the mean of its divisors is an integer number (10209240).

Almost surely, 2130506312 is an apocalyptic number.

130506312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130506312 is an abundant number, since it is smaller than the sum of its proper divisors (196189368).

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

130506312 is a wasteful number, since it uses less digits than its factorization.

130506312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173 (or 7169 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 130506312 is about 11423.9359241901. The cubic root of 130506312 is about 507.2365099089.

The spelling of 130506312 in words is "one hundred thirty million, five hundred six thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 863 1726 2589 3452 5178 6301 6904 10356 12602 18903 20712 25204 37806 50408 75612 151224 5437763 10875526 16313289 21751052 32626578 43502104 65253156 130506312