Base | Representation |
---|---|
bin | 11001011010000… |
… | …01110001000000 |
3 | 112212001010210222 |
4 | 30231001301000 |
5 | 414030132204 |
6 | 33052042212 |
7 | 5165402102 |
oct | 1455016100 |
9 | 485033728 |
10 | 213130304 |
11 | aa340a52 |
12 | 5b463368 |
13 | 3520390a |
14 | 2043d572 |
15 | 13a9eabe |
hex | cb41c40 |
213130304 has 28 divisors (see below), whose sum is σ = 426896784. Its totient is φ = 105565824.
The previous prime is 213130303. The next prime is 213130327. The reversal of 213130304 is 403031312.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (213130303) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714 + ... + 22409.
Almost surely, 2213130304 is an apocalyptic number.
It is an amenable number.
213130304 is an abundant number, since it is smaller than the sum of its proper divisors (213766480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213130304 is a wasteful number, since it uses less digits than its factorization.
213130304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31242 (or 31232 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 213130304 is about 14598.9829782763. The cubic root of 213130304 is about 597.3310192477.
Adding to 213130304 its reverse (403031312), we get a palindrome (616161616).
The spelling of 213130304 in words is "two hundred thirteen million, one hundred thirty thousand, three hundred four".
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