Base | Representation |
---|---|
bin | 110011011110… |
… | …101100001001 |
3 | 221101121201122 |
4 | 303132230021 |
5 | 11423320144 |
6 | 1201125025 |
7 | 222464111 |
oct | 63365411 |
9 | 27347648 |
10 | 13495049 |
11 | 7688037 |
12 | 4629775 |
13 | 2a46649 |
14 | 1b14041 |
15 | 12b87ee |
hex | cdeb09 |
13495049 has 2 divisors, whose sum is σ = 13495050. Its totient is φ = 13495048.
The previous prime is 13495033. The next prime is 13495051. The reversal of 13495049 is 94059431.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9653449 + 3841600 = 3107^2 + 1960^2 .
It is an emirp because it is prime and its reverse (94059431) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13495049 - 24 = 13495033 is a prime.
It is a Sophie Germain prime.
Together with 13495051, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (13495099) 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, 6747524 + 6747525.
It is an arithmetic number, because the mean of its divisors is an integer number (6747525).
Almost surely, 213495049 is an apocalyptic number.
It is an amenable number.
13495049 is a deficient number, since it is larger than the sum of its proper divisors (1).
13495049 is an equidigital number, since it uses as much as digits as its factorization.
13495049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 19440, while the sum is 35.
The square root of 13495049 is about 3673.5608066289. The cubic root of 13495049 is about 238.0810460042.
The spelling of 13495049 in words is "thirteen million, four hundred ninety-five thousand, forty-nine".
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