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131084034 = 2347716547
BaseRepresentation
bin1111101000000…
…10111100000010
3100010122202111020
413310002330002
5232024142114
621001330310
73151124124
oct764027402
9303582436
10131084034
1167aa2414
1237a96996
1321208023
14135a3214
15b794aa9
hex7d02f02

131084034 has 32 divisors (see below), whose sum is σ = 271558656. Its totient is φ = 42156240.

The previous prime is 131083943. The next prime is 131084039. The reversal of 131084034 is 430480131.

It is a junction number, because it is equal to n+sod(n) for n = 131083995 and 131084013.

It is not an unprimeable number, because it can be changed into a prime (131084039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16749 + ... + 23295.

It is an arithmetic number, because the mean of its divisors is an integer number (8486208).

Almost surely, 2131084034 is an apocalyptic number.

131084034 is an abundant number, since it is smaller than the sum of its proper divisors (140474622).

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

131084034 is a wasteful number, since it uses less digits than its factorization.

131084034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 131084034 is about 11449.1935960573. The cubic root of 131084034 is about 507.9838820397.

The spelling of 131084034 in words is "one hundred thirty-one million, eighty-four thousand, thirty-four".

Divisors: 1 2 3 6 47 71 94 141 142 213 282 426 3337 6547 6674 10011 13094 19641 20022 39282 307709 464837 615418 923127 929674 1394511 1846254 2789022 21847339 43694678 65542017 131084034