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109442079 = 3241296591
BaseRepresentation
bin1101000010111…
…11010000011111
321121221020022100
412201133100133
5211004121304
614505420143
72466146055
oct641372037
9247836270
10109442079
11568604aa
123079a653
131989b436
141076c1d5
15991c439
hex685f41f

109442079 has 12 divisors (see below), whose sum is σ = 161939232. Its totient is φ = 71181600.

The previous prime is 109442063. The next prime is 109442083. The reversal of 109442079 is 970244901.

It is not a de Polignac number, because 109442079 - 24 = 109442063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109442279) 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, 147927 + ... + 148664.

It is an arithmetic number, because the mean of its divisors is an integer number (13494936).

Almost surely, 2109442079 is an apocalyptic number.

109442079 is a deficient number, since it is larger than the sum of its proper divisors (52497153).

109442079 is a wasteful number, since it uses less digits than its factorization.

109442079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296638 (or 296635 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 109442079 is about 10461.4568297154. The cubic root of 109442079 is about 478.3305414361.

The spelling of 109442079 in words is "one hundred nine million, four hundred forty-two thousand, seventy-nine".

Divisors: 1 3 9 41 123 369 296591 889773 2669319 12160231 36480693 109442079