Base | Representation |
---|---|
bin | 110110011110… |
… | …010100010101 |
3 | 222212111102022 |
4 | 312132110111 |
5 | 12123424312 |
6 | 1230022525 |
7 | 232243346 |
oct | 66362425 |
9 | 28774368 |
10 | 14279957 |
11 | 807381a |
12 | 4947a45 |
13 | 2c5c9a3 |
14 | 1c7a0cd |
15 | 13c1172 |
hex | d9e515 |
14279957 has 2 divisors, whose sum is σ = 14279958. Its totient is φ = 14279956.
The previous prime is 14279953. The next prime is 14279959. The reversal of 14279957 is 75997241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8059921 + 6220036 = 2839^2 + 2494^2 .
It is an emirp because it is prime and its reverse (75997241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14279957 - 22 = 14279953 is a prime.
Together with 14279959, 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 (14279953) 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, 7139978 + 7139979.
It is an arithmetic number, because the mean of its divisors is an integer number (7139979).
Almost surely, 214279957 is an apocalyptic number.
It is an amenable number.
14279957 is a deficient number, since it is larger than the sum of its proper divisors (1).
14279957 is an equidigital number, since it uses as much as digits as its factorization.
14279957 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 158760, while the sum is 44.
The square root of 14279957 is about 3778.8830360306. The cubic root of 14279957 is about 242.6101501222.
The spelling of 14279957 in words is "fourteen million, two hundred seventy-nine thousand, nine hundred fifty-seven".
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