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117832105 = 523244549
BaseRepresentation
bin1110000010111…
…11100110101001
322012201111021001
413001133212221
5220131111410
615405315001
72630361556
oct701374651
9265644231
10117832105
1160571006
1233565a61
131b548251
1411913a2d
15a52833a
hex705f9a9

117832105 has 12 divisors (see below), whose sum is σ = 147816900. Its totient is φ = 90165152.

The previous prime is 117832081. The next prime is 117832109. The reversal of 117832105 is 501238711.

It can be written as a sum of positive squares in 2 ways, for example, as 28472896 + 89359209 = 5336^2 + 9453^2 .

It is not a de Polignac number, because 117832105 - 211 = 117830057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117832109) 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, 19630 + ... + 24919.

It is an arithmetic number, because the mean of its divisors is an integer number (12318075).

Almost surely, 2117832105 is an apocalyptic number.

It is an amenable number.

117832105 is a deficient number, since it is larger than the sum of its proper divisors (29984795).

117832105 is an equidigital number, since it uses as much as digits as its factorization.

117832105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44600 (or 44577 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 117832105 is about 10855.0497465465. The cubic root of 117832105 is about 490.2540748149.

The spelling of 117832105 in words is "one hundred seventeen million, eight hundred thirty-two thousand, one hundred five".

Divisors: 1 5 23 115 529 2645 44549 222745 1024627 5123135 23566421 117832105