Base | Representation |
---|---|
bin | 10001000000010… |
… | …011011000001101 |
3 | 201212211100010001 |
4 | 101000103120031 |
5 | 1041013321140 |
6 | 44150444301 |
7 | 10032641143 |
oct | 2100233015 |
9 | 655740101 |
10 | 285292045 |
11 | 137049155 |
12 | 7b663691 |
13 | 4714b37c |
14 | 29c65593 |
15 | 1a0a5e9a |
hex | 1101360d |
285292045 has 16 divisors (see below), whose sum is σ = 364229568. Its totient is φ = 213776640.
The previous prime is 285292013. The next prime is 285292061. The reversal of 285292045 is 540292582.
It is not a de Polignac number, because 285292045 - 25 = 285292013 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 285291995 and 285292013.
It is a congruent number.
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, 9982 + ... + 25888.
It is an arithmetic number, because the mean of its divisors is an integer number (22764348).
Almost surely, 2285292045 is an apocalyptic number.
It is an amenable number.
285292045 is a deficient number, since it is larger than the sum of its proper divisors (78937523).
285292045 is a wasteful number, since it uses less digits than its factorization.
285292045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16140.
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 285292045 is about 16890.5904278092. The cubic root of 285292045 is about 658.3091437283.
The spelling of 285292045 in words is "two hundred eighty-five million, two hundred ninety-two thousand, forty-five".
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