Base | Representation |
---|---|
bin | 11110011011100… |
… | …10011010100001 |
3 | 122210100012012002 |
4 | 33031302122201 |
5 | 1010322210414 |
6 | 41155213345 |
7 | 6216532004 |
oct | 1715623241 |
9 | 583305162 |
10 | 255272609 |
11 | 1211050a9 |
12 | 715a7255 |
13 | 40b6a5a7 |
14 | 25c8d53b |
15 | 176264de |
hex | f3726a1 |
255272609 has 2 divisors, whose sum is σ = 255272610. Its totient is φ = 255272608.
The previous prime is 255272599. The next prime is 255272627. The reversal of 255272609 is 906272552.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 254498209 + 774400 = 15953^2 + 880^2 .
It is a cyclic number.
It is not a de Polignac number, because 255272609 - 24 = 255272593 is a prime.
It is not a weakly prime, because it can be changed into another prime (255272309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127636304 + 127636305.
It is an arithmetic number, because the mean of its divisors is an integer number (127636305).
Almost surely, 2255272609 is an apocalyptic number.
It is an amenable number.
255272609 is a deficient number, since it is larger than the sum of its proper divisors (1).
255272609 is an equidigital number, since it uses as much as digits as its factorization.
255272609 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 75600, while the sum is 38.
The square root of 255272609 is about 15977.2528614903. The cubic root of 255272609 is about 634.3584642377.
The spelling of 255272609 in words is "two hundred fifty-five million, two hundred seventy-two thousand, six hundred nine".
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