Base | Representation |
---|---|
bin | 10000111111101… |
… | …010011011101010 |
3 | 201212111211001101 |
4 | 100333222123222 |
5 | 1040442434310 |
6 | 44143112014 |
7 | 10031342161 |
oct | 2077523352 |
9 | 655454041 |
10 | 285124330 |
11 | 136a44147 |
12 | 7b5a260a |
13 | 470bcc2a |
14 | 29c203d8 |
15 | 1a07143a |
hex | 10fea6ea |
285124330 has 16 divisors (see below), whose sum is σ = 535538304. Its totient is φ = 109090960.
The previous prime is 285124243. The next prime is 285124337. The reversal of 285124330 is 33421582.
It is not an unprimeable number, because it can be changed into a prime (285124337) 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, 619606 + ... + 620065.
It is an arithmetic number, because the mean of its divisors is an integer number (33471144).
Almost surely, 2285124330 is an apocalyptic number.
285124330 is a deficient number, since it is larger than the sum of its proper divisors (250413974).
285124330 is a wasteful number, since it uses less digits than its factorization.
285124330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1239701.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 285124330 is about 16885.6249514195. The cubic root of 285124330 is about 658.1801180950.
The spelling of 285124330 in words is "two hundred eighty-five million, one hundred twenty-four thousand, three hundred thirty".
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