Base | Representation |
---|---|
bin | 10001000000001… |
… | …010000110110001 |
3 | 201212202102000101 |
4 | 101000022012301 |
5 | 1041011112230 |
6 | 44145552401 |
7 | 10032422335 |
oct | 2100120661 |
9 | 655672011 |
10 | 285254065 |
11 | 137022668 |
12 | 7b645701 |
13 | 47136cb5 |
14 | 29c557c5 |
15 | 1a099aca |
hex | 1100a1b1 |
285254065 has 16 divisors (see below), whose sum is σ = 346798080. Its totient is φ = 225227520.
The previous prime is 285253961. The next prime is 285254077. The reversal of 285254065 is 560452582.
It is not a de Polignac number, because 285254065 - 27 = 285253937 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132921 + ... + 135049.
It is an arithmetic number, because the mean of its divisors is an integer number (21674880).
Almost surely, 2285254065 is an apocalyptic number.
It is an amenable number.
285254065 is a deficient number, since it is larger than the sum of its proper divisors (61544015).
285254065 is a wasteful number, since it uses less digits than its factorization.
285254065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2472.
The product of its (nonzero) digits is 96000, while the sum is 37.
The square root of 285254065 is about 16889.4660957651. The cubic root of 285254065 is about 658.2799295817.
The spelling of 285254065 in words is "two hundred eighty-five million, two hundred fifty-four thousand, sixty-five".
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