Base | Representation |
---|---|
bin | 110011001101… |
… | …100101100001 |
3 | 221021001121222 |
4 | 303031211201 |
5 | 11414044433 |
6 | 1155424425 |
7 | 222052631 |
oct | 63154541 |
9 | 27231558 |
10 | 13424993 |
11 | 763a43a |
12 | 45b5115 |
13 | 2a207aa |
14 | 1ad66c1 |
15 | 12a2b98 |
hex | ccd961 |
13424993 has 2 divisors, whose sum is σ = 13424994. Its totient is φ = 13424992.
The previous prime is 13424989. The next prime is 13425017. The reversal of 13424993 is 39942431.
13424993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6932689 + 6492304 = 2633^2 + 2548^2 .
It is a cyclic number.
It is not a de Polignac number, because 13424993 - 22 = 13424989 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13424903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712496 + 6712497.
It is an arithmetic number, because the mean of its divisors is an integer number (6712497).
Almost surely, 213424993 is an apocalyptic number.
It is an amenable number.
13424993 is a deficient number, since it is larger than the sum of its proper divisors (1).
13424993 is an equidigital number, since it uses as much as digits as its factorization.
13424993 is an evil number, because the sum of its binary digits is even.
The product of its digits is 23328, while the sum is 35.
The square root of 13424993 is about 3664.0132368757. The cubic root of 13424993 is about 237.6683526566.
The spelling of 13424993 in words is "thirteen million, four hundred twenty-four thousand, nine hundred ninety-three".
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