Base | Representation |
---|---|
bin | 11110011001101… |
… | …00011000100010 |
3 | 122202212021122202 |
4 | 33030310120202 |
5 | 1010241043110 |
6 | 41145533202 |
7 | 6214423154 |
oct | 1714643042 |
9 | 582767582 |
10 | 255018530 |
11 | 120a51218 |
12 | 714a4202 |
13 | 40aaba50 |
14 | 25c24ad4 |
15 | 175c60a5 |
hex | f334622 |
255018530 has 64 divisors (see below), whose sum is σ = 526629600. Its totient is φ = 88080384.
The previous prime is 255018527. The next prime is 255018571. The reversal of 255018530 is 35810552.
It can be written as a sum of positive squares in 16 ways, for example, as 95981209 + 159037321 = 9797^2 + 12611^2 .
It is a junction number, because it is equal to n+sod(n) for n = 255018493 and 255018502.
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 31 ways as a sum of consecutive naturals, for example, 567746 + ... + 568194.
Almost surely, 2255018530 is an apocalyptic number.
255018530 is an abundant number, since it is smaller than the sum of its proper divisors (271611070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255018530 is a wasteful number, since it uses less digits than its factorization.
255018530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 743.
The product of its (nonzero) digits is 6000, while the sum is 29.
The square root of 255018530 is about 15969.2996089371. The cubic root of 255018530 is about 634.1479302665.
The spelling of 255018530 in words is "two hundred fifty-five million, eighteen thousand, five hundred thirty".
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