Base | Representation |
---|---|
bin | 11110011010010… |
… | …01011110001001 |
3 | 122210000200010211 |
4 | 33031021132021 |
5 | 1010301324110 |
6 | 41151441121 |
7 | 6215233036 |
oct | 1715113611 |
9 | 583020124 |
10 | 255104905 |
11 | 121000100 |
12 | 715261a1 |
13 | 40b0c163 |
14 | 25c4838d |
15 | 175e198a |
hex | f349789 |
255104905 has 12 divisors (see below), whose sum is σ = 336486276. Its totient is φ = 185530400.
The previous prime is 255104897. The next prime is 255104929. The reversal of 255104905 is 509401552.
It can be written as a sum of positive squares in 2 ways, for example, as 92006464 + 163098441 = 9592^2 + 12771^2 .
It is not a de Polignac number, because 255104905 - 23 = 255104897 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210226 + ... + 211435.
It is an arithmetic number, because the mean of its divisors is an integer number (28040523).
Almost surely, 2255104905 is an apocalyptic number.
It is an amenable number.
255104905 is a deficient number, since it is larger than the sum of its proper divisors (81381371).
255104905 is a wasteful number, since it uses less digits than its factorization.
255104905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 421688 (or 421677 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 31.
The square root of 255104905 is about 15972.0037878783. The cubic root of 255104905 is about 634.2195176718.
The spelling of 255104905 in words is "two hundred fifty-five million, one hundred four thousand, nine hundred five".
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