Base | Representation |
---|---|
bin | 110010000110… |
… | …000111000001 |
3 | 220201012000201 |
4 | 302012013001 |
5 | 11330212400 |
6 | 1145245201 |
7 | 216423241 |
oct | 62060701 |
9 | 26635021 |
10 | 13132225 |
11 | 745a487 |
12 | 4493801 |
13 | 294a462 |
14 | 1a5bb21 |
15 | 124606a |
hex | c861c1 |
13132225 has 12 divisors (see below), whose sum is σ = 16725244. Its totient is φ = 10221120.
The previous prime is 13132219. The next prime is 13132237. The reversal of 13132225 is 52223131.
It can be written as a sum of positive squares in 6 ways, for example, as 2262016 + 10870209 = 1504^2 + 3297^2 .
It is not a de Polignac number, because 13132225 - 25 = 13132193 is a prime.
It is a Duffinian 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, 6174 + ... + 8023.
Almost surely, 213132225 is an apocalyptic number.
It is an amenable number.
13132225 is a deficient number, since it is larger than the sum of its proper divisors (3593019).
13132225 is a wasteful number, since it uses less digits than its factorization.
13132225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14244 (or 14239 counting only the distinct ones).
The product of its digits is 360, while the sum is 19.
The square root of 13132225 is about 3623.8411940923. The cubic root of 13132225 is about 235.9279740463.
Adding to 13132225 its reverse (52223131), we get a palindrome (65355356).
The spelling of 13132225 in words is "thirteen million, one hundred thirty-two thousand, two hundred twenty-five".
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