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115992492 = 223711196607
BaseRepresentation
bin1101110100111…
…10011110101100
322002021000210020
412322132132230
5214143224432
615302042140
72605630350
oct672363654
9262230706
10115992492
115a524970
1232a19350
131b052b15
1411595460
15a2b322c
hex6e9e7ac

115992492 has 96 divisors (see below), whose sum is σ = 355246080. Its totient is φ = 28537920.

The previous prime is 115992467. The next prime is 115992493. The reversal of 115992492 is 294299511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (115992493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14253 + ... + 20859.

It is an arithmetic number, because the mean of its divisors is an integer number (3700480).

Almost surely, 2115992492 is an apocalyptic number.

115992492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115992492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177623040).

115992492 is an abundant number, since it is smaller than the sum of its proper divisors (239253588).

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

115992492 is a wasteful number, since it uses less digits than its factorization.

115992492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6651 (or 6649 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 115992492 is about 10769.9810584792. The cubic root of 115992492 is about 487.6893738952.

The spelling of 115992492 in words is "one hundred fifteen million, nine hundred ninety-two thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 11 12 14 19 21 22 28 33 38 42 44 57 66 76 77 84 114 132 133 154 209 228 231 266 308 399 418 462 532 627 798 836 924 1254 1463 1596 2508 2926 4389 5852 6607 8778 13214 17556 19821 26428 39642 46249 72677 79284 92498 125533 138747 145354 184996 218031 251066 277494 290708 376599 436062 502132 508739 554988 753198 872124 878731 1017478 1380863 1506396 1526217 1757462 2034956 2636193 2761726 3052434 3514924 4142589 5272386 5523452 6104868 8285178 9666041 10544772 16570356 19332082 28998123 38664164 57996246 115992492