Base | Representation |
---|---|
bin | 11110011010010… |
… | …00110100110001 |
3 | 122210000112111202 |
4 | 33031020310301 |
5 | 1010301233012 |
6 | 41151420545 |
7 | 6215222234 |
oct | 1715106461 |
9 | 583015452 |
10 | 255102257 |
11 | 120aa9113 |
12 | 71524755 |
13 | 40b0aba7 |
14 | 25c4741b |
15 | 175e0cc2 |
hex | f348d31 |
255102257 has 2 divisors, whose sum is σ = 255102258. Its totient is φ = 255102256.
The previous prime is 255102203. The next prime is 255102271. The reversal of 255102257 is 752201552.
255102257 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 can be written as a sum of positive squares in only one way, i.e., 245110336 + 9991921 = 15656^2 + 3161^2 .
It is a cyclic number.
It is not a de Polignac number, because 255102257 - 222 = 250907953 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (255102557) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127551128 + 127551129.
It is an arithmetic number, because the mean of its divisors is an integer number (127551129).
Almost surely, 2255102257 is an apocalyptic number.
It is an amenable number.
255102257 is a deficient number, since it is larger than the sum of its proper divisors (1).
255102257 is an equidigital number, since it uses as much as digits as its factorization.
255102257 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7000, while the sum is 29.
The square root of 255102257 is about 15971.9208926165. The cubic root of 255102257 is about 634.2173232555.
The spelling of 255102257 in words is "two hundred fifty-five million, one hundred two thousand, two hundred fifty-seven".
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