Base | Representation |
---|---|
bin | 1101000110001… |
… | …10010101100010 |
3 | 21122201200110210 |
4 | 12203012111202 |
5 | 211111124130 |
6 | 14522434550 |
7 | 2502555024 |
oct | 643062542 |
9 | 248650423 |
10 | 109864290 |
11 | 57019738 |
12 | 30962a56 |
13 | 199b8673 |
14 | 1083c014 |
15 | 99a25b0 |
hex | 68c6562 |
109864290 has 32 divisors (see below), whose sum is σ = 265265280. Its totient is φ = 29120384.
The previous prime is 109864259. The next prime is 109864291. The reversal of 109864290 is 92468901.
It is not an unprimeable number, because it can be changed into a prime (109864291) 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, 5955 + ... + 15974.
It is an arithmetic number, because the mean of its divisors is an integer number (8289540).
Almost surely, 2109864290 is an apocalyptic number.
109864290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
109864290 is an abundant number, since it is smaller than the sum of its proper divisors (155400990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109864290 is a wasteful number, since it uses less digits than its factorization.
109864290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22106.
The product of its (nonzero) digits is 31104, while the sum is 39.
The square root of 109864290 is about 10481.6167646027. The cubic root of 109864290 is about 478.9448611063.
The spelling of 109864290 in words is "one hundred nine million, eight hundred sixty-four thousand, two hundred ninety".
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