Base | Representation |
---|---|
bin | 11001011100000… |
… | …10011011100000 |
3 | 112212112121010202 |
4 | 30232002123200 |
5 | 414112121133 |
6 | 33101444332 |
7 | 5200554230 |
oct | 1456023340 |
9 | 485477122 |
10 | 213395168 |
11 | aa501a48 |
12 | 5b5706a8 |
13 | 3529733c |
14 | 204abcc0 |
15 | 13b032e8 |
hex | cb826e0 |
213395168 has 24 divisors (see below), whose sum is σ = 480139632. Its totient is φ = 91454976.
The previous prime is 213395131. The next prime is 213395177. The reversal of 213395168 is 861593312.
It is a happy number.
It is a congruent number.
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, 476105 + ... + 476552.
It is an arithmetic number, because the mean of its divisors is an integer number (20005818).
Almost surely, 2213395168 is an apocalyptic number.
213395168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
213395168 is an abundant number, since it is smaller than the sum of its proper divisors (266744464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213395168 is an equidigital number, since it uses as much as digits as its factorization.
213395168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 952674 (or 952666 counting only the distinct ones).
The product of its digits is 38880, while the sum is 38.
The square root of 213395168 is about 14608.0514785511. The cubic root of 213395168 is about 597.5783577493.
The spelling of 213395168 in words is "two hundred thirteen million, three hundred ninety-five thousand, one hundred sixty-eight".
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