Base | Representation |
---|---|
bin | 10000111101001… |
… | …111010001111110 |
3 | 201211022112022100 |
4 | 100331033101332 |
5 | 1040312120310 |
6 | 44121325530 |
7 | 10023054333 |
oct | 2075172176 |
9 | 654275270 |
10 | 284488830 |
11 | 13664a73a |
12 | 7b3368a6 |
13 | 46c298b2 |
14 | 29ad698a |
15 | 19e97ec0 |
hex | 10f4f47e |
284488830 has 48 divisors (see below), whose sum is σ = 742107600. Its totient is φ = 75613824.
The previous prime is 284488793. The next prime is 284488847. The reversal of 284488830 is 38884482.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23121 + ... + 33219.
It is an arithmetic number, because the mean of its divisors is an integer number (15460575).
Almost surely, 2284488830 is an apocalyptic number.
284488830 is an abundant number, since it is smaller than the sum of its proper divisors (457618770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284488830 is a wasteful number, since it uses less digits than its factorization.
284488830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10425 (or 10422 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 45.
The square root of 284488830 is about 16866.7966727532. The cubic root of 284488830 is about 657.6907589360.
The spelling of 284488830 in words is "two hundred eighty-four million, four hundred eighty-eight thousand, eight hundred thirty".
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