Base | Representation |
---|---|
bin | 11001011011011… |
… | …11000100001010 |
3 | 112212101120100001 |
4 | 30231233010022 |
5 | 414102101400 |
6 | 33100033214 |
7 | 5200104046 |
oct | 1455570412 |
9 | 485346301 |
10 | 213315850 |
11 | aa4583a0 |
12 | 5b53280a |
13 | 3526a1c7 |
14 | 2048b026 |
15 | 13ad9a6a |
hex | cb6f10a |
213315850 has 96 divisors (see below), whose sum is σ = 462024000. Its totient is φ = 72460800.
The previous prime is 213315829. The next prime is 213315877. The reversal of 213315850 is 58513312.
213315850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2133158502 = 91007303722445000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1431576 + ... + 1431724.
It is an arithmetic number, because the mean of its divisors is an integer number (4812750).
Almost surely, 2213315850 is an apocalyptic number.
213315850 is an abundant number, since it is smaller than the sum of its proper divisors (248708150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213315850 is a wasteful number, since it uses less digits than its factorization.
213315850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328 (or 323 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 213315850 is about 14605.3363535387. The cubic root of 213315850 is about 597.5043095340.
The spelling of 213315850 in words is "two hundred thirteen million, three hundred fifteen thousand, eight hundred fifty".
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