Base | Representation |
---|---|
bin | 10000111111101… |
… | …100110111101011 |
3 | 201212112022202012 |
4 | 100333230313223 |
5 | 1040443244230 |
6 | 44143230135 |
7 | 10031413244 |
oct | 2077546753 |
9 | 655468665 |
10 | 285134315 |
11 | 136a506a4 |
12 | 7b5a834b |
13 | 470c463b |
14 | 29c23ccb |
15 | 1a074395 |
hex | 10fecdeb |
285134315 has 8 divisors (see below), whose sum is σ = 347960880. Its totient is φ = 224240992.
The previous prime is 285134309. The next prime is 285134363. The reversal of 285134315 is 513431582.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 285134315 - 216 = 285068779 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482984 + ... + 483573.
It is an arithmetic number, because the mean of its divisors is an integer number (43495110).
Almost surely, 2285134315 is an apocalyptic number.
285134315 is a deficient number, since it is larger than the sum of its proper divisors (62826565).
285134315 is an equidigital number, since it uses as much as digits as its factorization.
285134315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 966621.
The product of its digits is 14400, while the sum is 32.
The square root of 285134315 is about 16885.9206145238. The cubic root of 285134315 is about 658.1878011196.
Adding to 285134315 its reverse (513431582), we get a palindrome (798565897).
The spelling of 285134315 in words is "two hundred eighty-five million, one hundred thirty-four thousand, three hundred fifteen".
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