Base | Representation |
---|---|
bin | 11001011011100… |
… | …10001001111000 |
3 | 112212102012200201 |
4 | 30231302021320 |
5 | 414103003004 |
6 | 33100211544 |
7 | 5200155664 |
oct | 1455621170 |
9 | 485365621 |
10 | 213328504 |
11 | aa466954 |
12 | 5b539bb4 |
13 | 35272bac |
14 | 204918a4 |
15 | 13add6a4 |
hex | cb72278 |
213328504 has 64 divisors (see below), whose sum is σ = 435916800. Its totient is φ = 97542144.
The previous prime is 213328501. The next prime is 213328537. The reversal of 213328504 is 405823312.
213328504 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 (213328501) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829944 + ... + 830200.
It is an arithmetic number, because the mean of its divisors is an integer number (6811200).
Almost surely, 2213328504 is an apocalyptic number.
It is an amenable number.
213328504 is an abundant number, since it is smaller than the sum of its proper divisors (222588296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213328504 is a wasteful number, since it uses less digits than its factorization.
213328504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 452 (or 448 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 213328504 is about 14605.7695449435. The cubic root of 213328504 is about 597.5161240492.
The spelling of 213328504 in words is "two hundred thirteen million, three hundred twenty-eight thousand, five hundred four".
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