Base | Representation |
---|---|
bin | 1010100111010… |
… | …00001100101101 |
3 | 20012112021012211 |
4 | 11103220030231 |
5 | 140243001334 |
6 | 12500130421 |
7 | 2130516652 |
oct | 523501455 |
9 | 205467184 |
10 | 89031469 |
11 | 4628a72a |
12 | 25996a11 |
13 | 155a3157 |
14 | bb77c29 |
15 | 7c39a64 |
hex | 54e832d |
89031469 has 2 divisors, whose sum is σ = 89031470. Its totient is φ = 89031468.
The previous prime is 89031463. The next prime is 89031487. The reversal of 89031469 is 96413098.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79655625 + 9375844 = 8925^2 + 3062^2 .
It is a cyclic number.
It is not a de Polignac number, because 89031469 - 217 = 88900397 is a prime.
It is a super-2 number, since 2×890314692 = 15853204944595922, 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 (89031463) 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 as a sum of consecutive naturals, namely, 44515734 + 44515735.
It is an arithmetic number, because the mean of its divisors is an integer number (44515735).
Almost surely, 289031469 is an apocalyptic number.
It is an amenable number.
89031469 is a deficient number, since it is larger than the sum of its proper divisors (1).
89031469 is an equidigital number, since it uses as much as digits as its factorization.
89031469 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 89031469 is about 9435.6488383153. The cubic root of 89031469 is about 446.5271254787.
The spelling of 89031469 in words is "eighty-nine million, thirty-one thousand, four hundred sixty-nine".
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