Base | Representation |
---|---|
bin | 110010011100… |
… | …111111110111 |
3 | 220212221121221 |
4 | 302130333313 |
5 | 11341212400 |
6 | 1151251211 |
7 | 220263460 |
oct | 62347767 |
9 | 26787557 |
10 | 13225975 |
11 | 7513964 |
12 | 4519b07 |
13 | 2981029 |
14 | 1a83d67 |
15 | 1263c1a |
hex | c9cff7 |
13225975 has 12 divisors (see below), whose sum is σ = 18743344. Its totient is φ = 9069120.
The previous prime is 13225973. The next prime is 13225981. The reversal of 13225975 is 57952231.
It is not a de Polignac number, because 13225975 - 21 = 13225973 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 13225975.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13225973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37614 + ... + 37963.
Almost surely, 213225975 is an apocalyptic number.
13225975 is a deficient number, since it is larger than the sum of its proper divisors (5517369).
13225975 is an equidigital number, since it uses as much as digits as its factorization.
13225975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75594 (or 75589 counting only the distinct ones).
The product of its digits is 18900, while the sum is 34.
The square root of 13225975 is about 3636.7533597977. The cubic root of 13225975 is about 236.4880675518.
The spelling of 13225975 in words is "thirteen million, two hundred twenty-five thousand, nine hundred seventy-five".
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