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113170885 = 5109207653
BaseRepresentation
bin1101011111011…
…01100111000101
321212221200021021
412233231213011
5212432432020
615121351141
72542636162
oct657554705
9255850237
10113170885
1158977a63
1231a984b1
131a5a5729
141105d069
159e071aa
hex6bed9c5

113170885 has 8 divisors (see below), whose sum is σ = 137051640. Its totient is φ = 89705664.

The previous prime is 113170873. The next prime is 113170903. The reversal of 113170885 is 588071311.

It can be written as a sum of positive squares in 4 ways, for example, as 25897921 + 87272964 = 5089^2 + 9342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113170885 - 217 = 113039813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113170885.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 103282 + ... + 104371.

It is an arithmetic number, because the mean of its divisors is an integer number (17131455).

Almost surely, 2113170885 is an apocalyptic number.

It is an amenable number.

113170885 is a deficient number, since it is larger than the sum of its proper divisors (23880755).

113170885 is a wasteful number, since it uses less digits than its factorization.

113170885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207767.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 113170885 is about 10638.1805305231. The cubic root of 113170885 is about 483.7023945657.

It can be divided in two parts, 113 and 170885, that multiplied together give a triangular number (19310005 = T6214).

The spelling of 113170885 in words is "one hundred thirteen million, one hundred seventy thousand, eight hundred eighty-five".

Divisors: 1 5 109 545 207653 1038265 22634177 113170885