Base | Representation |
---|---|
bin | 110010000110… |
… | …010110101110 |
3 | 220201020101221 |
4 | 302012112232 |
5 | 11330230410 |
6 | 1145253554 |
7 | 216426205 |
oct | 62062656 |
9 | 26636357 |
10 | 13133230 |
11 | 7460210 |
12 | 44942ba |
13 | 294aa56 |
14 | 1a5c23c |
15 | 12464da |
hex | c865ae |
13133230 has 64 divisors (see below), whose sum is σ = 27993600. Its totient is φ = 4385920.
The previous prime is 13133213. The next prime is 13133233. The reversal of 13133230 is 3233131.
13133230 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 (13133233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73281 + ... + 73459.
It is an arithmetic number, because the mean of its divisors is an integer number (437400).
Almost surely, 213133230 is an apocalyptic number.
13133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13133230 is an abundant number, since it is smaller than the sum of its proper divisors (14860370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13133230 is a wasteful number, since it uses less digits than its factorization.
13133230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 13133230 is about 3623.9798564562. The cubic root of 13133230 is about 235.9339923605.
Adding to 13133230 its reverse (3233131), we get a palindrome (16366361).
Subtracting from 13133230 its reverse (3233131), we obtain a palindrome (9900099).
The spelling of 13133230 in words is "thirteen million, one hundred thirty-three thousand, two hundred thirty".
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