Base | Representation |
---|---|
bin | 10001001111101… |
… | …111000000101000 |
3 | 202011102212021102 |
4 | 101033233000220 |
5 | 1043032244014 |
6 | 44413300532 |
7 | 10112220140 |
oct | 2117570050 |
9 | 664385242 |
10 | 289337384 |
11 | 139361506 |
12 | 80a94748 |
13 | 47c3676b |
14 | 2a5d9920 |
15 | 1a6048de |
hex | 113ef028 |
289337384 has 32 divisors (see below), whose sum is σ = 640012800. Its totient is φ = 120000960.
The previous prime is 289337383. The next prime is 289337387. The reversal of 289337384 is 483733982.
It is a super-2 number, since 2×2893373842 = 167432243559926912, which contains 22 as substring.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (289337381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81599 + ... + 85070.
It is an arithmetic number, because the mean of its divisors is an integer number (20000400).
Almost surely, 2289337384 is an apocalyptic number.
It is an amenable number.
289337384 is an abundant number, since it is smaller than the sum of its proper divisors (350675416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289337384 is a wasteful number, since it uses less digits than its factorization.
289337384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166713 (or 166709 counting only the distinct ones).
The product of its digits is 870912, while the sum is 47.
The square root of 289337384 is about 17009.9201644217. The cubic root of 289337384 is about 661.4060809871.
The spelling of 289337384 in words is "two hundred eighty-nine million, three hundred thirty-seven thousand, three hundred eighty-four".
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