Base | Representation |
---|---|
bin | 10001001111110… |
… | …010011000000000 |
3 | 202011110120011221 |
4 | 101033302120000 |
5 | 1043033214133 |
6 | 44413444424 |
7 | 10112305261 |
oct | 2117623000 |
9 | 664416157 |
10 | 289351168 |
11 | 1393708a7 |
12 | 80aa0714 |
13 | 47c3cb12 |
14 | 2a600968 |
15 | 1a608a2d |
hex | 113f2600 |
289351168 has 40 divisors (see below), whose sum is σ = 589100688. Its totient is φ = 141932544.
The previous prime is 289351159. The next prime is 289351177. The reversal of 289351168 is 861153982.
It is an interprime number because it is at equal distance from previous prime (289351159) and next prime (289351177).
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 21805 + ... + 32467.
Almost surely, 2289351168 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 289351168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294550344).
289351168 is an abundant number, since it is smaller than the sum of its proper divisors (299749520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289351168 is an equidigital number, since it uses as much as digits as its factorization.
289351168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10734 (or 10718 counting only the distinct ones).
The product of its digits is 103680, while the sum is 43.
The square root of 289351168 is about 17010.3253349253. The cubic root of 289351168 is about 661.4165839237.
It can be divided in two parts, 28935 and 1168, that added together give a palindrome (30103).
The spelling of 289351168 in words is "two hundred eighty-nine million, three hundred fifty-one thousand, one hundred sixty-eight".
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