Base | Representation |
---|---|
bin | 110100110000… |
… | …100101011011 |
3 | 222000122212102 |
4 | 310300211123 |
5 | 12020033431 |
6 | 1212234015 |
7 | 225362063 |
oct | 64604533 |
9 | 28018772 |
10 | 13830491 |
11 | 7897064 |
12 | 476b90b |
13 | 2b3322c |
14 | 1ba03a3 |
15 | 1332dcb |
hex | d3095b |
13830491 has 2 divisors, whose sum is σ = 13830492. Its totient is φ = 13830490.
The previous prime is 13830473. The next prime is 13830497. The reversal of 13830491 is 19403831.
13830491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is an emirp because it is prime and its reverse (19403831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13830491 - 210 = 13829467 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13830497) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915245 + 6915246.
It is an arithmetic number, because the mean of its divisors is an integer number (6915246).
Almost surely, 213830491 is an apocalyptic number.
13830491 is a deficient number, since it is larger than the sum of its proper divisors (1).
13830491 is an equidigital number, since it uses as much as digits as its factorization.
13830491 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 13830491 is about 3718.9368104339. The cubic root of 13830491 is about 240.0375577797.
The spelling of 13830491 in words is "thirteen million, eight hundred thirty thousand, four hundred ninety-one".
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