Base | Representation |
---|---|
bin | 110010011110… |
… | …010010010100 |
3 | 220220012212101 |
4 | 302132102110 |
5 | 11341400002 |
6 | 1151331444 |
7 | 220315036 |
oct | 62362224 |
9 | 26805771 |
10 | 13231252 |
11 | 7517921 |
12 | 4520b84 |
13 | 2983558 |
14 | 1a85c56 |
15 | 1265587 |
hex | c9e494 |
13231252 has 12 divisors (see below), whose sum is σ = 23647680. Its totient is φ = 6474776.
The previous prime is 13231249. The next prime is 13231261. The reversal of 13231252 is 25213231.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35002 + ... + 35377.
It is an arithmetic number, because the mean of its divisors is an integer number (1970640).
Almost surely, 213231252 is an apocalyptic number.
It is an amenable number.
13231252 is a deficient number, since it is larger than the sum of its proper divisors (10416428).
13231252 is a wasteful number, since it uses less digits than its factorization.
13231252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70430 (or 70428 counting only the distinct ones).
The product of its digits is 360, while the sum is 19.
The square root of 13231252 is about 3637.4787971891. The cubic root of 13231252 is about 236.5195153052.
Adding to 13231252 its reverse (25213231), we get a palindrome (38444483).
The spelling of 13231252 in words is "thirteen million, two hundred thirty-one thousand, two hundred fifty-two".
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