Base | Representation |
---|---|
bin | 11110011010100… |
… | …11000100100001 |
3 | 122210002200002010 |
4 | 33031103010201 |
5 | 1010304103400 |
6 | 41152343133 |
7 | 6215455500 |
oct | 1715230441 |
9 | 583080063 |
10 | 255144225 |
11 | 1210276a6 |
12 | 71544aa9 |
13 | 40b2401b |
14 | 25c58837 |
15 | 175ed450 |
hex | f353121 |
255144225 has 36 divisors (see below), whose sum is σ = 490717104. Its totient is φ = 116635680.
The previous prime is 255144209. The next prime is 255144269. The reversal of 255144225 is 522441552.
It is not a de Polignac number, because 255144225 - 24 = 255144209 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 255144192 and 255144201.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31039 + ... + 38388.
Almost surely, 2255144225 is an apocalyptic number.
255144225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
255144225 is a deficient number, since it is larger than the sum of its proper divisors (235572879).
255144225 is a wasteful number, since it uses less digits than its factorization.
255144225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69454 (or 69442 counting only the distinct ones).
The product of its digits is 16000, while the sum is 30.
The square root of 255144225 is about 15973.2346442416. The cubic root of 255144225 is about 634.2521006469.
Adding to 255144225 its reverse (522441552), we get a palindrome (777585777).
The spelling of 255144225 in words is "two hundred fifty-five million, one hundred forty-four thousand, two hundred twenty-five".
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