Base | Representation |
---|---|
bin | 1000111100111… |
… | …01000001111001 |
3 | 12020022001222111 |
4 | 10132131001321 |
5 | 123210421324 |
6 | 11241252321 |
7 | 1601162242 |
oct | 436350171 |
9 | 166261874 |
10 | 75092089 |
11 | 39429886 |
12 | 211940a1 |
13 | 127324b7 |
14 | 9d89cc9 |
15 | 68d4794 |
hex | 479d079 |
75092089 has 2 divisors, whose sum is σ = 75092090. Its totient is φ = 75092088.
The previous prime is 75092071. The next prime is 75092093. The reversal of 75092089 is 98029057.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 72386064 + 2706025 = 8508^2 + 1645^2 .
It is a cyclic number.
It is not a de Polignac number, because 75092089 - 25 = 75092057 is a prime.
It is not a weakly prime, because it can be changed into another prime (75092789) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37546044 + 37546045.
It is an arithmetic number, because the mean of its divisors is an integer number (37546045).
Almost surely, 275092089 is an apocalyptic number.
It is an amenable number.
75092089 is a deficient number, since it is larger than the sum of its proper divisors (1).
75092089 is an equidigital number, since it uses as much as digits as its factorization.
75092089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 45360, while the sum is 40.
The square root of 75092089 is about 8665.5691676889. The cubic root of 75092089 is about 421.8888639907. Note that the first 4 decimals are identical.
The spelling of 75092089 in words is "seventy-five million, ninety-two thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •