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108074979 = 3749417
BaseRepresentation
bin1100111000100…
…01011111100011
321112100210000000
412130101133203
5210131344404
614420231043
72451423255
oct634213743
9245323000
10108074979
1156007371
123023b483
13195100bc
14104d3cd5
15974c339
hex67117e3

108074979 has 16 divisors (see below), whose sum is σ = 162091040. Its totient is φ = 72048528.

The previous prime is 108074977. The next prime is 108074987. The reversal of 108074979 is 979470801.

It is not a de Polignac number, because 108074979 - 21 = 108074977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108074971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22522 + ... + 26895.

It is an arithmetic number, because the mean of its divisors is an integer number (10130690).

Almost surely, 2108074979 is an apocalyptic number.

108074979 is a deficient number, since it is larger than the sum of its proper divisors (54016061).

108074979 is an frugal number, since it uses more digits than its factorization.

108074979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49438 (or 49420 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 108074979 is about 10395.9116483356. The cubic root of 108074979 is about 476.3304954150.

The spelling of 108074979 in words is "one hundred eight million, seventy-four thousand, nine hundred seventy-nine".

Divisors: 1 3 9 27 81 243 729 2187 49417 148251 444753 1334259 4002777 12008331 36024993 108074979