Base | Representation |
---|---|
bin | 110010001011… |
… | …001000111001 |
3 | 220202020021200 |
4 | 302023020321 |
5 | 11331342300 |
6 | 1145524413 |
7 | 216540300 |
oct | 62131071 |
9 | 26666250 |
10 | 13152825 |
11 | 7473a04 |
12 | 44a3709 |
13 | 295694a |
14 | 1a65437 |
15 | 124c200 |
hex | c8b239 |
13152825 has 54 divisors (see below), whose sum is σ = 27427374. Its totient is φ = 6007680.
The previous prime is 13152817. The next prime is 13152847. The reversal of 13152825 is 52825131.
It is a happy number.
13152825 is a `hidden beast` number, since 131 + 528 + 2 + 5 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 853776 + 12299049 = 924^2 + 3507^2 .
It is not a de Polignac number, because 13152825 - 23 = 13152817 is a prime.
It is a Curzon 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 53 ways as a sum of consecutive naturals, for example, 10429 + ... + 11621.
Almost surely, 213152825 is an apocalyptic number.
13152825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13152825 is an abundant number, since it is smaller than the sum of its proper divisors (14274549).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13152825 is a wasteful number, since it uses less digits than its factorization.
13152825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1223 (or 1208 counting only the distinct ones).
The product of its digits is 2400, while the sum is 27.
The square root of 13152825 is about 3626.6823682258. The cubic root of 13152825 is about 236.0512732128.
Adding to 13152825 its reverse (52825131), we get a palindrome (65977956).
The spelling of 13152825 in words is "thirteen million, one hundred fifty-two thousand, eight hundred twenty-five".
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