Base | Representation |
---|---|
bin | 10001000000011… |
… | …011001100000000 |
3 | 201212212221222202 |
4 | 101000123030000 |
5 | 1041020332112 |
6 | 44151252332 |
7 | 10033133330 |
oct | 2100331400 |
9 | 655787882 |
10 | 285324032 |
11 | 137070194 |
12 | 7b67a0a8 |
13 | 4715cab6 |
14 | 29c730c0 |
15 | 1a0b06c2 |
hex | 1101b300 |
285324032 has 72 divisors (see below), whose sum is σ = 658576800. Its totient is φ = 120840192.
The previous prime is 285324029. The next prime is 285324089. The reversal of 285324032 is 230423582.
It is a junction number, because it is equal to n+sod(n) for n = 285323986 and 285324004.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158594 + ... + 160382.
It is an arithmetic number, because the mean of its divisors is an integer number (9146900).
Almost surely, 2285324032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 285324032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329288400).
285324032 is an abundant number, since it is smaller than the sum of its proper divisors (373252768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285324032 is an equidigital number, since it uses as much as digits as its factorization.
285324032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1901 (or 1887 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
The square root of 285324032 is about 16891.5372894240. The cubic root of 285324032 is about 658.3337460590. Note that the first 3 decimals are identical.
The spelling of 285324032 in words is "two hundred eighty-five million, three hundred twenty-four thousand, thirty-two".
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