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131276616 = 23313614019
BaseRepresentation
bin1111101001100…
…01111101001000
3100011000112122220
413310301331020
5232101322431
621005414040
73152555442
oct764617510
9304015586
10131276616
1168114079
1237b6a320
1321274893
1413613492
15b7d1b96
hex7d31f48

131276616 has 32 divisors (see below), whose sum is σ = 328514400. Its totient is φ = 43715840.

The previous prime is 131276603. The next prime is 131276659. The reversal of 131276616 is 616672131.

It is a super-2 number, since 2×1312766162 = 34467099816822912, which contains 22 as substring.

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, 30655 + ... + 34673.

It is an arithmetic number, because the mean of its divisors is an integer number (10266075).

Almost surely, 2131276616 is an apocalyptic number.

It is an amenable number.

131276616 is an abundant number, since it is smaller than the sum of its proper divisors (197237784).

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

131276616 is a wasteful number, since it uses less digits than its factorization.

131276616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389 (or 5385 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 131276616 is about 11457.6007959782. The cubic root of 131276616 is about 508.2325283465.

The spelling of 131276616 in words is "one hundred thirty-one million, two hundred seventy-six thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 1361 2722 4019 4083 5444 8038 8166 10888 12057 16076 16332 24114 32152 32664 48228 96456 5469859 10939718 16409577 21879436 32819154 43758872 65638308 131276616