Base | Representation |
---|---|
bin | 1101000110010… |
… | …11011001001000 |
3 | 21122202201212211 |
4 | 12203023121020 |
5 | 211112310000 |
6 | 14523114504 |
7 | 2503002301 |
oct | 643133110 |
9 | 248681784 |
10 | 109885000 |
11 | 57033255 |
12 | 30972a34 |
13 | 199c4c14 |
14 | 108457a8 |
15 | 99a87ba |
hex | 68cb648 |
109885000 has 40 divisors (see below), whose sum is σ = 257472270. Its totient is φ = 43952000.
The previous prime is 109884989. The next prime is 109885001. The reversal of 109885000 is 588901.
It can be written as a sum of positive squares in 5 ways, for example, as 933156 + 108951844 = 966^2 + 10438^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (109885001) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5989 + ... + 15988.
Almost surely, 2109885000 is an apocalyptic number.
109885000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
109885000 is an abundant number, since it is smaller than the sum of its proper divisors (147587270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109885000 is an equidigital number, since it uses as much as digits as its factorization.
109885000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22003 (or 21984 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 31.
The square root of 109885000 is about 10482.6046381613. The cubic root of 109885000 is about 478.9749537624.
The spelling of 109885000 in words is "one hundred nine million, eight hundred eighty-five thousand".
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