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115893690 = 235111492357
BaseRepresentation
bin1101110100001…
…10010110111010
322002002000020220
412322012112322
5214132044230
615300000510
72605036323
oct672062672
9262060226
10115893690
115a467710
1232990136
131b019b63
141156b44a
15a293d10
hex6e865ba

115893690 has 64 divisors (see below), whose sum is σ = 305596800. Its totient is φ = 27895040.

The previous prime is 115893667. The next prime is 115893707. The reversal of 115893690 is 96398511.

It is a super-2 number, since 2×1158936902 = 26862694763632200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47992 + ... + 50348.

It is an arithmetic number, because the mean of its divisors is an integer number (4774950).

Almost surely, 2115893690 is an apocalyptic number.

115893690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115893690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152798400).

115893690 is an abundant number, since it is smaller than the sum of its proper divisors (189703110).

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

115893690 is a wasteful number, since it uses less digits than its factorization.

115893690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

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

The square root of 115893690 is about 10765.3931651380. The cubic root of 115893690 is about 487.5508638579.

The spelling of 115893690 in words is "one hundred fifteen million, eight hundred ninety-three thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 149 165 298 330 447 745 894 1490 1639 2235 2357 3278 4470 4714 4917 7071 8195 9834 11785 14142 16390 23570 24585 25927 35355 49170 51854 70710 77781 129635 155562 259270 351193 388905 702386 777810 1053579 1755965 2107158 3511930 3863123 5267895 7726246 10535790 11589369 19315615 23178738 38631230 57946845 115893690