Base | Representation |
---|---|
bin | 10001000010110… |
… | …110100100101000 |
3 | 201221002022001012 |
4 | 101002312210220 |
5 | 1041201213423 |
6 | 44213043052 |
7 | 10041424022 |
oct | 2102664450 |
9 | 657068035 |
10 | 285960488 |
11 | 137465390 |
12 | 7b926488 |
13 | 473236b8 |
14 | 29d9b012 |
15 | 1a189078 |
hex | 110b6928 |
285960488 has 32 divisors (see below), whose sum is σ = 615708000. Its totient is φ = 123140160.
The previous prime is 285960473. The next prime is 285960533. The reversal of 285960488 is 884069582.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83843 + ... + 87186.
It is an arithmetic number, because the mean of its divisors is an integer number (19240875).
Almost surely, 2285960488 is an apocalyptic number.
It is an amenable number.
285960488 is an abundant number, since it is smaller than the sum of its proper divisors (329747512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285960488 is a wasteful number, since it uses less digits than its factorization.
285960488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171065 (or 171061 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 50.
The square root of 285960488 is about 16910.3662881677. The cubic root of 285960488 is about 658.8228850196.
The spelling of 285960488 in words is "two hundred eighty-five million, nine hundred sixty thousand, four hundred eighty-eight".
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