Base | Representation |
---|---|
bin | 110010110010… |
… | …000101000101 |
3 | 221001100002002 |
4 | 302302011011 |
5 | 11401443300 |
6 | 1153155045 |
7 | 221103305 |
oct | 62620505 |
9 | 27040062 |
10 | 13312325 |
11 | 7572824 |
12 | 455ba85 |
13 | 29b1420 |
14 | 1aa7605 |
15 | 127e5d5 |
hex | cb2145 |
13312325 has 12 divisors (see below), whose sum is σ = 17777508. Its totient is φ = 9830400.
The previous prime is 13312319. The next prime is 13312349. The reversal of 13312325 is 52321331.
It can be written as a sum of positive squares in 6 ways, for example, as 128164 + 13184161 = 358^2 + 3631^2 .
It is not a de Polignac number, because 13312325 - 26 = 13312261 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13312297 and 13312306.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20156 + ... + 20805.
It is an arithmetic number, because the mean of its divisors is an integer number (1481459).
Almost surely, 213312325 is an apocalyptic number.
It is an amenable number.
13312325 is a deficient number, since it is larger than the sum of its proper divisors (4465183).
13312325 is a wasteful number, since it uses less digits than its factorization.
13312325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40984 (or 40979 counting only the distinct ones).
The product of its digits is 540, while the sum is 20.
The square root of 13312325 is about 3648.6058981479. The cubic root of 13312325 is about 237.0016141653.
Adding to 13312325 its reverse (52321331), we get a palindrome (65633656).
It can be divided in two parts, 13312 and 325, that multiplied together give a square (4326400 = 20802).
The spelling of 13312325 in words is "thirteen million, three hundred twelve thousand, three hundred twenty-five".
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