Base | Representation |
---|---|
bin | 101111110001… |
… | …101011000001 |
3 | 212120022000012 |
4 | 233301223001 |
5 | 11201233400 |
6 | 1124234305 |
7 | 211311530 |
oct | 57615301 |
9 | 25508005 |
10 | 12524225 |
11 | 70846aa |
12 | 423b995 |
13 | 27967ac |
14 | 1940317 |
15 | 1175d35 |
hex | bf1ac1 |
12524225 has 24 divisors (see below), whose sum is σ = 18064320. Its totient is φ = 8435520.
The previous prime is 12524207. The next prime is 12524233. The reversal of 12524225 is 52242521.
It is a de Polignac number, because none of the positive numbers 2k-12524225 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12524225.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9719 + ... + 10931.
It is an arithmetic number, because the mean of its divisors is an integer number (752680).
Almost surely, 212524225 is an apocalyptic number.
It is an amenable number.
12524225 is a deficient number, since it is larger than the sum of its proper divisors (5540095).
12524225 is a wasteful number, since it uses less digits than its factorization.
12524225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1289 (or 1284 counting only the distinct ones).
The product of its digits is 1600, while the sum is 23.
The square root of 12524225 is about 3538.9581800298. The cubic root of 12524225 is about 232.2292682536.
Adding to 12524225 its reverse (52242521), we get a palindrome (64766746).
The spelling of 12524225 in words is "twelve million, five hundred twenty-four thousand, two hundred twenty-five".
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