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115660485 = 3252570233
BaseRepresentation
bin1101110010011…
…01011011000101
322001122011100200
412321031123011
5214102113420
615251001113
72603045403
oct671153305
9261564320
10115660485
115a318486
1232899199
131ac67975
141150a473
15a249b90
hex6e4d6c5

115660485 has 12 divisors (see below), whose sum is σ = 200478252. Its totient is φ = 61685568.

The previous prime is 115660481. The next prime is 115660507. The reversal of 115660485 is 584066511.

115660485 is a `hidden beast` number, since 11 + 566 + 0 + 4 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55845729 + 59814756 = 7473^2 + 7734^2 .

It is not a de Polignac number, because 115660485 - 22 = 115660481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115660481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285072 + ... + 1285161.

It is an arithmetic number, because the mean of its divisors is an integer number (16706521).

Almost surely, 2115660485 is an apocalyptic number.

115660485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115660485 is a deficient number, since it is larger than the sum of its proper divisors (84817767).

115660485 is a wasteful number, since it uses less digits than its factorization.

115660485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570244 (or 2570241 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 115660485 is about 10754.5564762104. The cubic root of 115660485 is about 487.2236224360.

The spelling of 115660485 in words is "one hundred fifteen million, six hundred sixty thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 45 2570233 7710699 12851165 23132097 38553495 115660485