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131057088 = 2633197227
BaseRepresentation
bin1111100111111…
…00010111000000
3100010121101112020
413303330113000
5232022311323
621001001440
73150652431
oct763742700
9303541466
10131057088
1167a84148
1237a83280
13211c8996
1413597488
15b78bae3
hex7cfc5c0

131057088 has 112 divisors (see below), whose sum is σ = 363224064. Its totient is φ = 41656320.

The previous prime is 131057081. The next prime is 131057099. The reversal of 131057088 is 880750131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131057081) 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, 577231 + ... + 577457.

It is an arithmetic number, because the mean of its divisors is an integer number (3243072).

Almost surely, 2131057088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131057088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181612032).

131057088 is an abundant number, since it is smaller than the sum of its proper divisors (232166976).

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

131057088 is a wasteful number, since it uses less digits than its factorization.

131057088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 131057088 is about 11448.0167714762. The cubic root of 131057088 is about 507.9490721261.

The spelling of 131057088 in words is "one hundred thirty-one million, fifty-seven thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 97 124 186 192 194 227 248 291 372 388 454 496 582 681 744 776 908 992 1164 1362 1488 1552 1816 1984 2328 2724 2976 3007 3104 3632 4656 5448 5952 6014 6208 7037 7264 9021 9312 10896 12028 14074 14528 18042 18624 21111 21792 22019 24056 28148 36084 42222 43584 44038 48112 56296 66057 72168 84444 88076 96224 112592 132114 144336 168888 176152 192448 225184 264228 288672 337776 352304 450368 528456 577344 675552 682589 704608 1056912 1351104 1365178 1409216 2047767 2113824 2730356 4095534 4227648 5460712 8191068 10921424 16382136 21842848 32764272 43685696 65528544 131057088