Base | Representation |
---|---|
bin | 11001011110000… |
… | …01001011110100 |
3 | 112220000122201220 |
4 | 30233001023310 |
5 | 414143332322 |
6 | 33111150340 |
7 | 5203004514 |
oct | 1457011364 |
9 | 486018656 |
10 | 213652212 |
11 | aa668084 |
12 | 5b6753b0 |
13 | 35357337 |
14 | 20537844 |
15 | 13b5455c |
hex | cbc12f4 |
213652212 has 24 divisors (see below), whose sum is σ = 499410912. Its totient is φ = 71090400.
The previous prime is 213652211. The next prime is 213652237. The reversal of 213652212 is 212256312.
213652212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213652211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8739 + ... + 22442.
It is an arithmetic number, because the mean of its divisors is an integer number (20808788).
Almost surely, 2213652212 is an apocalyptic number.
It is an amenable number.
213652212 is an abundant number, since it is smaller than the sum of its proper divisors (285758700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213652212 is a wasteful number, since it uses less digits than its factorization.
213652212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31759 (or 31757 counting only the distinct ones).
The product of its digits is 1440, while the sum is 24.
The square root of 213652212 is about 14616.8468555978. The cubic root of 213652212 is about 597.8181980728.
The spelling of 213652212 in words is "two hundred thirteen million, six hundred fifty-two thousand, two hundred twelve".
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