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131077532 = 22376114519
BaseRepresentation
bin1111101000000…
…01010110011100
3100010122102120102
413310001112130
5232023440112
621001240232
73151066145
oct764012634
9303572512
10131077532
1167a98543
1237a93078
1321205091
14135a0acc
15b792bc2
hex7d0159c

131077532 has 24 divisors (see below), whose sum is σ = 239463840. Its totient is φ = 62717760.

The previous prime is 131077489. The next prime is 131077543. The reversal of 131077532 is 235770131.

It is a super-2 number, since 2×1310775322 = 34362638790422048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131077495 and 131077504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 16287.

It is an arithmetic number, because the mean of its divisors is an integer number (9977660).

Almost surely, 2131077532 is an apocalyptic number.

It is an amenable number.

131077532 is a deficient number, since it is larger than the sum of its proper divisors (108386308).

131077532 is a wasteful number, since it uses less digits than its factorization.

131077532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14621 (or 14619 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 131077532 is about 11448.9096424070. The cubic root of 131077532 is about 507.9754829344.

The spelling of 131077532 in words is "one hundred thirty-one million, seventy-seven thousand, five hundred thirty-two".

Divisors: 1 2 4 37 61 74 122 148 244 2257 4514 9028 14519 29038 58076 537203 885659 1074406 1771318 2148812 3542636 32769383 65538766 131077532