Base | Representation |
---|---|
bin | 11110011100110… |
… | …00111100011110 |
3 | 122210122012200022 |
4 | 33032120330132 |
5 | 1010342233210 |
6 | 41202432142 |
7 | 6221060063 |
oct | 1716307436 |
9 | 583565608 |
10 | 255430430 |
11 | 121202732 |
12 | 71662652 |
13 | 40bc4388 |
14 | 25cd0c6a |
15 | 17658155 |
hex | f398f1e |
255430430 has 32 divisors (see below), whose sum is σ = 472089600. Its totient is φ = 99459360.
The previous prime is 255430393. The next prime is 255430459. The reversal of 255430430 is 34034552.
It is a self number, because there is not a number n which added to its sum of digits gives 255430430.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 92165 + ... + 94895.
It is an arithmetic number, because the mean of its divisors is an integer number (14752800).
Almost surely, 2255430430 is an apocalyptic number.
255430430 is a deficient number, since it is larger than the sum of its proper divisors (216659170).
255430430 is a wasteful number, since it uses less digits than its factorization.
255430430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2984.
The product of its (nonzero) digits is 7200, while the sum is 26.
The square root of 255430430 is about 15982.1910262642. The cubic root of 255430430 is about 634.4891669438.
Adding to 255430430 its reverse (34034552), we get a palindrome (289464982).
The spelling of 255430430 in words is "two hundred fifty-five million, four hundred thirty thousand, four hundred thirty".
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