Base | Representation |
---|---|
bin | 11110011101011… |
… | …01101001101001 |
3 | 122210210112000110 |
4 | 33032231221221 |
5 | 1010402441431 |
6 | 41204324533 |
7 | 6221562252 |
oct | 1716555151 |
9 | 583715013 |
10 | 255515241 |
11 | 121260423 |
12 | 716a3749 |
13 | 40c23b67 |
14 | 25d13b29 |
15 | 17673346 |
hex | f3ada69 |
255515241 has 8 divisors (see below), whose sum is σ = 340801024. Its totient is φ = 170286480.
The previous prime is 255515231. The next prime is 255515263. The reversal of 255515241 is 142515552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 255515241 - 214 = 255498857 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 255515199 and 255515208.
It is not an unprimeable number, because it can be changed into a prime (255515231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 22731.
It is an arithmetic number, because the mean of its divisors is an integer number (42600128).
Almost surely, 2255515241 is an apocalyptic number.
It is an amenable number.
255515241 is a deficient number, since it is larger than the sum of its proper divisors (85285783).
255515241 is a wasteful number, since it uses less digits than its factorization.
255515241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28511.
The product of its digits is 10000, while the sum is 30.
The square root of 255515241 is about 15984.8441030871. The cubic root of 255515241 is about 634.5593826788.
The spelling of 255515241 in words is "two hundred fifty-five million, five hundred fifteen thousand, two hundred forty-one".
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