Base | Representation |
---|---|
bin | 110010000001… |
… | …111101110100 |
3 | 220200022202002 |
4 | 302001331310 |
5 | 11324142002 |
6 | 1145034432 |
7 | 216322613 |
oct | 62017564 |
9 | 26608662 |
10 | 13115252 |
11 | 7448757 |
12 | 4485a18 |
13 | 2942807 |
14 | 1a5587a |
15 | 1241002 |
hex | c81f74 |
13115252 has 12 divisors (see below), whose sum is σ = 23044896. Its totient is φ = 6531000.
The previous prime is 13115251. The next prime is 13115257. The reversal of 13115252 is 25251131.
It is a happy number.
13115252 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 (13115251) 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, 5528 + ... + 7535.
It is an arithmetic number, because the mean of its divisors is an integer number (1920408).
Almost surely, 213115252 is an apocalyptic number.
It is an amenable number.
13115252 is a deficient number, since it is larger than the sum of its proper divisors (9929644).
13115252 is a wasteful number, since it uses less digits than its factorization.
13115252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13318 (or 13316 counting only the distinct ones).
The product of its digits is 300, while the sum is 20.
The square root of 13115252 is about 3621.4985848403. The cubic root of 13115252 is about 235.8262869894.
Adding to 13115252 its reverse (25251131), we get a palindrome (38366383).
The spelling of 13115252 in words is "thirteen million, one hundred fifteen thousand, two hundred fifty-two".
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