Base | Representation |
---|---|
bin | 110101000011… |
… | …010100111101 |
3 | 222011120011202 |
4 | 311003110331 |
5 | 12030013021 |
6 | 1214025245 |
7 | 226131644 |
oct | 65032475 |
9 | 28146152 |
10 | 13907261 |
11 | 7939805 |
12 | 47a8225 |
13 | 2b5c164 |
14 | 1bc035b |
15 | 134aa0b |
hex | d4353d |
13907261 has 2 divisors, whose sum is σ = 13907262. Its totient is φ = 13907260.
The previous prime is 13907237. The next prime is 13907263. The reversal of 13907261 is 16270931.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10201636 + 3705625 = 3194^2 + 1925^2 .
It is a cyclic number.
It is not a de Polignac number, because 13907261 - 222 = 9712957 is a prime.
Together with 13907263, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13907263) 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, 6953630 + 6953631.
It is an arithmetic number, because the mean of its divisors is an integer number (6953631).
Almost surely, 213907261 is an apocalyptic number.
It is an amenable number.
13907261 is a deficient number, since it is larger than the sum of its proper divisors (1).
13907261 is an equidigital number, since it uses as much as digits as its factorization.
13907261 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 13907261 is about 3729.2440252684. The cubic root of 13907261 is about 240.4808703626.
The spelling of 13907261 in words is "thirteen million, nine hundred seven thousand, two hundred sixty-one".
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