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131080482 = 23213560173
BaseRepresentation
bin1111101000000…
…10000100100010
3100010122120121200
413310002010202
5232024033412
621001302030
73151110561
oct764020442
9303576550
10131080482
1167a9a785
1237a94916
1321206520
14135a1bd8
15b7939dc
hex7d02122

131080482 has 24 divisors (see below), whose sum is σ = 305855004. Its totient is φ = 40332384.

The previous prime is 131080463. The next prime is 131080507. The reversal of 131080482 is 284080131.

It can be written as a sum of positive squares in 2 ways, for example, as 123676641 + 7403841 = 11121^2 + 2721^2 .

It is a super-2 number, since 2×1310804822 = 34364185522704648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279853 + ... + 280320.

Almost surely, 2131080482 is an apocalyptic number.

131080482 is an abundant number, since it is smaller than the sum of its proper divisors (174774522).

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

131080482 is a wasteful number, since it uses less digits than its factorization.

131080482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560194 (or 560191 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 131080482 is about 11449.0384749113. The cubic root of 131080482 is about 507.9792936979.

The spelling of 131080482 in words is "one hundred thirty-one million, eighty thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 560173 1120346 1680519 3361038 5041557 7282249 10083114 14564498 21846747 43693494 65540241 131080482