Base | Representation |
---|---|
bin | 110011001110… |
… | …000111001101 |
3 | 221021011120211 |
4 | 303032013031 |
5 | 11414132044 |
6 | 1155442421 |
7 | 222062131 |
oct | 63160715 |
9 | 27234524 |
10 | 13427149 |
11 | 764101a |
12 | 45b6411 |
13 | 2a21778 |
14 | 1ad73c1 |
15 | 12a3634 |
hex | cce1cd |
13427149 has 2 divisors, whose sum is σ = 13427150. Its totient is φ = 13427148.
The previous prime is 13427143. The next prime is 13427153. The reversal of 13427149 is 94172431.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11009124 + 2418025 = 3318^2 + 1555^2 .
It is a cyclic number.
It is not a de Polignac number, because 13427149 - 213 = 13418957 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13427149.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13427143) by changing a digit.
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 as a sum of consecutive naturals, namely, 6713574 + 6713575.
It is an arithmetic number, because the mean of its divisors is an integer number (6713575).
Almost surely, 213427149 is an apocalyptic number.
It is an amenable number.
13427149 is a deficient number, since it is larger than the sum of its proper divisors (1).
13427149 is an equidigital number, since it uses as much as digits as its factorization.
13427149 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6048, while the sum is 31.
The square root of 13427149 is about 3664.3074379751. The cubic root of 13427149 is about 237.6810748368.
The spelling of 13427149 in words is "thirteen million, four hundred twenty-seven thousand, one hundred forty-nine".
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