Base | Representation |
---|---|
bin | 11001011100011… |
… | …11000100111000 |
3 | 112212122020012021 |
4 | 30232033010320 |
5 | 414120300333 |
6 | 33102524224 |
7 | 5201161240 |
oct | 1456170470 |
9 | 485566167 |
10 | 213446968 |
11 | aa537959 |
12 | 5b596674 |
13 | 352b4aa7 |
14 | 204c2b20 |
15 | 13b1382d |
hex | cb8f138 |
213446968 has 32 divisors (see below), whose sum is σ = 484293600. Its totient is φ = 86095872.
The previous prime is 213446957. The next prime is 213446993. The reversal of 213446968 is 869644312.
It is a happy number.
213446968 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 an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111153 + ... + 113056.
It is an arithmetic number, because the mean of its divisors is an integer number (15134175).
Almost surely, 2213446968 is an apocalyptic number.
213446968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
213446968 is an abundant number, since it is smaller than the sum of its proper divisors (270846632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213446968 is a wasteful number, since it uses less digits than its factorization.
213446968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224239 (or 224235 counting only the distinct ones).
The product of its digits is 248832, while the sum is 43.
The square root of 213446968 is about 14609.8243658163. The cubic root of 213446968 is about 597.6267063208.
The spelling of 213446968 in words is "two hundred thirteen million, four hundred forty-six thousand, nine hundred sixty-eight".
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