Base | Representation |
---|---|
bin | 11111111111111… |
… | …11100000100001 |
3 | 200201002211110022 |
4 | 33333333200201 |
5 | 1022204332231 |
6 | 42345243225 |
7 | 6436434533 |
oct | 1777774041 |
9 | 621084408 |
10 | 268433441 |
11 | 128584021 |
12 | 75a93515 |
13 | 437c7a73 |
14 | 27917853 |
15 | 18875c7b |
hex | ffff821 |
268433441 has 2 divisors, whose sum is σ = 268433442. Its totient is φ = 268433440.
The previous prime is 268433401. The next prime is 268433443. The reversal of 268433441 is 144334862.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 259854400 + 8579041 = 16120^2 + 2929^2 .
It is a cyclic number.
It is not a de Polignac number, because 268433441 - 26 = 268433377 is a prime.
Together with 268433443, it forms a pair of twin primes.
It is a Chen prime.
It is a nialpdrome in base 16.
It is not a weakly prime, because it can be changed into another prime (268433443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134216720 + 134216721.
It is an arithmetic number, because the mean of its divisors is an integer number (134216721).
Almost surely, 2268433441 is an apocalyptic number.
It is an amenable number.
268433441 is a deficient number, since it is larger than the sum of its proper divisors (1).
268433441 is an equidigital number, since it uses as much as digits as its factorization.
268433441 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 55296, while the sum is 35.
The square root of 268433441 is about 16383.9385069647. The cubic root of 268433441 is about 645.0779634541.
The spelling of 268433441 in words is "two hundred sixty-eight million, four hundred thirty-three thousand, four hundred forty-one".
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