Base | Representation |
---|---|
bin | 10001000001000… |
… | …001010101101100 |
3 | 201220011220100110 |
4 | 101001001111230 |
5 | 1041040332200 |
6 | 44154500020 |
7 | 10034354040 |
oct | 2101012554 |
9 | 656156313 |
10 | 285480300 |
11 | 137167636 |
12 | 7b734610 |
13 | 471b5c71 |
14 | 29cb4020 |
15 | 1a0e1b50 |
hex | 1104156c |
285480300 has 144 divisors (see below), whose sum is σ = 958549760. Its totient is φ = 64247040.
The previous prime is 285480289. The next prime is 285480317. The reversal of 285480300 is 3084582.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139686 + ... + 141714.
Almost surely, 2285480300 is an apocalyptic number.
285480300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 285480300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479274880).
285480300 is an abundant number, since it is smaller than the sum of its proper divisors (673069460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285480300 is a wasteful number, since it uses less digits than its factorization.
285480300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2120 (or 2113 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 285480300 is about 16896.1622861524. The cubic root of 285480300 is about 658.4539108665.
The spelling of 285480300 in words is "two hundred eighty-five million, four hundred eighty thousand, three hundred".
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