Base | Representation |
---|---|
bin | 1010101101101… |
… | …01001111111111 |
3 | 20021002221022212 |
4 | 11112311033333 |
5 | 141001340414 |
6 | 12530131035 |
7 | 2140615424 |
oct | 526651777 |
9 | 207087285 |
10 | 89871359 |
11 | 46803756 |
12 | 26120a7b |
13 | 15808526 |
14 | bd15d4b |
15 | 7d5383e |
hex | 55b53ff |
89871359 has 2 divisors, whose sum is σ = 89871360. Its totient is φ = 89871358.
The previous prime is 89871323. The next prime is 89871389. The reversal of 89871359 is 95317898.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-89871359 is a prime.
It is a super-2 number, since 2×898713592 = 16153722337013762, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (89871389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44935679 + 44935680.
It is an arithmetic number, because the mean of its divisors is an integer number (44935680).
Almost surely, 289871359 is an apocalyptic number.
89871359 is a deficient number, since it is larger than the sum of its proper divisors (1).
89871359 is an equidigital number, since it uses as much as digits as its factorization.
89871359 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 544320, while the sum is 50.
The square root of 89871359 is about 9480.0505800338. The cubic root of 89871359 is about 447.9268571464.
The spelling of 89871359 in words is "eighty-nine million, eight hundred seventy-one thousand, three hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •