Base | Representation |
---|---|
bin | 10001001110111… |
… | …100001001100111 |
3 | 202011001021111211 |
4 | 101032330021213 |
5 | 1043004112223 |
6 | 44405012251 |
7 | 10110361606 |
oct | 2116741147 |
9 | 664037454 |
10 | 289129063 |
11 | 139229a43 |
12 | 809b4087 |
13 | 47b929b2 |
14 | 2a583a3d |
15 | 1a5b2d0d |
hex | 113bc267 |
289129063 has 4 divisors (see below), whose sum is σ = 296943400. Its totient is φ = 281314728.
The previous prime is 289129051. The next prime is 289129069. The reversal of 289129063 is 360921982.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360921982 = 2 ⋅180460991.
It is a cyclic number.
It is not a de Polignac number, because 289129063 - 217 = 288997991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289129069) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907113 + ... + 3907186.
It is an arithmetic number, because the mean of its divisors is an integer number (74235850).
Almost surely, 2289129063 is an apocalyptic number.
289129063 is a deficient number, since it is larger than the sum of its proper divisors (7814337).
289129063 is an equidigital number, since it uses as much as digits as its factorization.
289129063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7814336.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 289129063 is about 17003.7955468772. The cubic root of 289129063 is about 661.2473068764.
The spelling of 289129063 in words is "two hundred eighty-nine million, one hundred twenty-nine thousand, sixty-three".
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