Base | Representation |
---|---|
bin | 1100111110111… |
… | …01100110010000 |
3 | 21120221020210110 |
4 | 12133131212100 |
5 | 210340122432 |
6 | 14450201320 |
7 | 2461504521 |
oct | 637354620 |
9 | 246836713 |
10 | 108910992 |
11 | 56528493 |
12 | 30583240 |
13 | 19743798 |
14 | 10670848 |
15 | 9864dcc |
hex | 67dd990 |
108910992 has 20 divisors (see below), whose sum is σ = 281353520. Its totient is φ = 36303648.
The previous prime is 108910981. The next prime is 108911039. The reversal of 108910992 is 299019801.
It is a happy number.
It is a super-3 number, since 3×1089109923 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 108910992.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134442 + ... + 1134537.
It is an arithmetic number, because the mean of its divisors is an integer number (14067676).
Almost surely, 2108910992 is an apocalyptic number.
108910992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
108910992 is an abundant number, since it is smaller than the sum of its proper divisors (172442528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108910992 is a wasteful number, since it uses less digits than its factorization.
108910992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2268990 (or 2268984 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 39.
The square root of 108910992 is about 10436.0429282367. The cubic root of 108910992 is about 477.5555587154. Note that the first 5 decimals are identical.
The spelling of 108910992 in words is "one hundred eight million, nine hundred ten thousand, nine hundred ninety-two".
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