Base | Representation |
---|---|
bin | 110011011110… |
… | …010000000011 |
3 | 221101112021001 |
4 | 303132100003 |
5 | 11423241001 |
6 | 1201112431 |
7 | 222455632 |
oct | 63362003 |
9 | 27345231 |
10 | 13493251 |
11 | 7686752 |
12 | 4628717 |
13 | 2a45895 |
14 | 1b13519 |
15 | 12b8001 |
hex | cde403 |
13493251 has 2 divisors, whose sum is σ = 13493252. Its totient is φ = 13493250.
The previous prime is 13493237. The next prime is 13493269. The reversal of 13493251 is 15239431.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13493251 - 215 = 13460483 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13493231) by changing a digit.
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 as a sum of consecutive naturals, namely, 6746625 + 6746626.
It is an arithmetic number, because the mean of its divisors is an integer number (6746626).
Almost surely, 213493251 is an apocalyptic number.
13493251 is a deficient number, since it is larger than the sum of its proper divisors (1).
13493251 is an equidigital number, since it uses as much as digits as its factorization.
13493251 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3240, while the sum is 28.
The square root of 13493251 is about 3673.3160767895. The cubic root of 13493251 is about 238.0704720341.
The spelling of 13493251 in words is "thirteen million, four hundred ninety-three thousand, two hundred fifty-one".
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