Base | Representation |
---|---|
bin | 110010011111… |
… | …011110011101 |
3 | 220220110112212 |
4 | 302133132131 |
5 | 11342024000 |
6 | 1151410205 |
7 | 220335200 |
oct | 62373635 |
9 | 26813485 |
10 | 13236125 |
11 | 7520551 |
12 | 4523965 |
13 | 2985836 |
14 | 1a87937 |
15 | 1266c35 |
hex | c9f79d |
13236125 has 24 divisors (see below), whose sum is σ = 19224504. Its totient is φ = 9072000.
The previous prime is 13236107. The next prime is 13236127. The reversal of 13236125 is 52163231.
It can be written as a sum of positive squares in 4 ways, for example, as 290521 + 12945604 = 539^2 + 3598^2 .
It is not a de Polignac number, because 13236125 - 28 = 13235869 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13236125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13236127) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5045 + ... + 7205.
It is an arithmetic number, because the mean of its divisors is an integer number (801021).
Almost surely, 213236125 is an apocalyptic number.
It is an amenable number.
13236125 is a deficient number, since it is larger than the sum of its proper divisors (5988379).
13236125 is an equidigital number, since it uses as much as digits as its factorization.
13236125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2190 (or 2173 counting only the distinct ones).
The product of its digits is 1080, while the sum is 23.
The square root of 13236125 is about 3638.1485676096. The cubic root of 13236125 is about 236.5485480360.
Adding to 13236125 its reverse (52163231), we get a palindrome (65399356).
The spelling of 13236125 in words is "thirteen million, two hundred thirty-six thousand, one hundred twenty-five".
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