Base | Representation |
---|---|
bin | 110010110010… |
… | …001001110001 |
3 | 221001100111012 |
4 | 302302021301 |
5 | 11402001000 |
6 | 1153200305 |
7 | 221104214 |
oct | 62621161 |
9 | 27040435 |
10 | 13312625 |
11 | 7572a77 |
12 | 4560095 |
13 | 29b15c1 |
14 | 1aa777b |
15 | 127e735 |
hex | cb2271 |
13312625 has 8 divisors (see below), whose sum is σ = 16614312. Its totient is φ = 10650000.
The previous prime is 13312591. The next prime is 13312633. The reversal of 13312625 is 52621331.
It can be written as a sum of positive squares in 4 ways, for example, as 237169 + 13075456 = 487^2 + 3616^2 .
It is not a de Polignac number, because 13312625 - 216 = 13247089 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 13312625.
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 7 ways as a sum of consecutive naturals, for example, 53126 + ... + 53375.
It is an arithmetic number, because the mean of its divisors is an integer number (2076789).
Almost surely, 213312625 is an apocalyptic number.
It is an amenable number.
13312625 is a deficient number, since it is larger than the sum of its proper divisors (3301687).
13312625 is an equidigital number, since it uses as much as digits as its factorization.
13312625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106516 (or 106506 counting only the distinct ones).
The product of its digits is 1080, while the sum is 23.
The square root of 13312625 is about 3648.6470095091. The cubic root of 13312625 is about 237.0033944691.
Adding to 13312625 its reverse (52621331), we get a palindrome (65933956).
The spelling of 13312625 in words is "thirteen million, three hundred twelve thousand, six hundred twenty-five".
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