Base | Representation |
---|---|
bin | 1100111110001… |
… | …10111100101100 |
3 | 21120202112112110 |
4 | 12133012330230 |
5 | 210324140340 |
6 | 14444204020 |
7 | 2460640200 |
oct | 637067454 |
9 | 246675473 |
10 | 108818220 |
11 | 56474815 |
12 | 30539610 |
13 | 197104a4 |
14 | 10648b00 |
15 | 9847680 |
hex | 67c6f2c |
108818220 has 72 divisors (see below), whose sum is σ = 354446064. Its totient is φ = 24872064.
The previous prime is 108818219. The next prime is 108818231. The reversal of 108818220 is 22818801.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15567 + ... + 21446.
It is an arithmetic number, because the mean of its divisors is an integer number (4922862).
Almost surely, 2108818220 is an apocalyptic number.
108818220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108818220 is an abundant number, since it is smaller than the sum of its proper divisors (245627844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108818220 is a wasteful number, since it uses less digits than its factorization.
108818220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37039 (or 37030 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 30.
The square root of 108818220 is about 10431.5971931435. The cubic root of 108818220 is about 477.4199238911.
The spelling of 108818220 in words is "one hundred eight million, eight hundred eighteen thousand, two hundred twenty".
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