Base | Representation |
---|---|
bin | 10001010001101… |
… | …000011110010110 |
3 | 202012101010202000 |
4 | 101101220132112 |
5 | 1043144204102 |
6 | 44432100130 |
7 | 10116361500 |
oct | 2121503626 |
9 | 665333660 |
10 | 289834902 |
11 | 139671285 |
12 | 81094646 |
13 | 4807c056 |
14 | 2a6c8d70 |
15 | 1a6a201c |
hex | 11468796 |
289834902 has 48 divisors (see below), whose sum is σ = 749239920. Its totient is φ = 82809216.
The previous prime is 289834843. The next prime is 289834907. The reversal of 289834902 is 209438982.
289834902 is a `hidden beast` number, since 2 + 89 + 83 + 490 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289834907) 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 23 ways as a sum of consecutive naturals, for example, 52123 + ... + 57414.
It is an arithmetic number, because the mean of its divisors is an integer number (15609165).
Almost surely, 2289834902 is an apocalyptic number.
289834902 is an abundant number, since it is smaller than the sum of its proper divisors (459405018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289834902 is a wasteful number, since it uses less digits than its factorization.
289834902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109562 (or 109549 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 289834902 is about 17024.5382316232. The cubic root of 289834902 is about 661.7849616304.
The spelling of 289834902 in words is "two hundred eighty-nine million, eight hundred thirty-four thousand, nine hundred two".
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