Base | Representation |
---|---|
bin | 10001000001000… |
… | …010111010110000 |
3 | 201220012020020000 |
4 | 101001002322300 |
5 | 1041041034033 |
6 | 44154550000 |
7 | 10034411640 |
oct | 2101027260 |
9 | 656166200 |
10 | 285486768 |
11 | 137171486 |
12 | 7b738300 |
13 | 471b8ba8 |
14 | 29cb6520 |
15 | 1a0e3a13 |
hex | 11042eb0 |
285486768 has 100 divisors (see below), whose sum is σ = 944351760. Its totient is φ = 81565056.
The previous prime is 285486767. The next prime is 285486821. The reversal of 285486768 is 867684582.
285486768 is a `hidden beast` number, since 28 + 548 + 6 + 76 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (285486767) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6663 + ... + 24806.
Almost surely, 2285486768 is an apocalyptic number.
285486768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
285486768 is an abundant number, since it is smaller than the sum of its proper divisors (658864992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285486768 is a wasteful number, since it uses less digits than its factorization.
285486768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31496 (or 31481 counting only the distinct ones).
The product of its digits is 5160960, while the sum is 54.
The square root of 285486768 is about 16896.3536894799. The cubic root of 285486768 is about 658.4588835946.
The spelling of 285486768 in words is "two hundred eighty-five million, four hundred eighty-six thousand, seven hundred sixty-eight".
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