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130239760 = 2457232571
BaseRepresentation
bin1111100001101…
…00110100010000
3100002001212100211
413300310310100
5231320133020
620531253504
73141006520
oct760646420
9302055324
10130239760
1167576072
123774a294
1320ca0961
1413423680
15b67985a
hex7c34d10

130239760 has 40 divisors (see below), whose sum is σ = 346067136. Its totient is φ = 44653440.

The previous prime is 130239757. The next prime is 130239779. The reversal of 130239760 is 67932031.

It is a tau number, because it is divible by the number of its divisors (40).

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, 115726 + ... + 116845.

Almost surely, 2130239760 is an apocalyptic number.

130239760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130239760 is an abundant number, since it is smaller than the sum of its proper divisors (215827376).

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

130239760 is a wasteful number, since it uses less digits than its factorization.

130239760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232591 (or 232585 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 130239760 is about 11412.2635791503. The cubic root of 130239760 is about 506.8909402623.

The spelling of 130239760 in words is "one hundred thirty million, two hundred thirty-nine thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 232571 465142 930284 1162855 1627997 1860568 2325710 3255994 3721136 4651420 6511988 8139985 9302840 13023976 16279970 18605680 26047952 32559940 65119880 130239760