Base | Representation |
---|---|
bin | 1010100111101… |
… | …10001101110111 |
3 | 20012122011222102 |
4 | 11103312031313 |
5 | 140301321022 |
6 | 12501252315 |
7 | 2131146236 |
oct | 523661567 |
9 | 205564872 |
10 | 89088887 |
11 | 46319888 |
12 | 25a0409b |
13 | 155c3324 |
14 | bb90b1d |
15 | 7c4ba92 |
hex | 54f6377 |
89088887 has 2 divisors, whose sum is σ = 89088888. Its totient is φ = 89088886.
The previous prime is 89088871. The next prime is 89088889. The reversal of 89088887 is 78888098.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 89088887 - 24 = 89088871 is a prime.
Together with 89088889, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (89088889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44544443 + 44544444.
It is an arithmetic number, because the mean of its divisors is an integer number (44544444).
Almost surely, 289088887 is an apocalyptic number.
89088887 is a deficient number, since it is larger than the sum of its proper divisors (1).
89088887 is an equidigital number, since it uses as much as digits as its factorization.
89088887 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2064384, while the sum is 56.
The square root of 89088887 is about 9438.6909579666. The cubic root of 89088887 is about 446.6230959826.
The spelling of 89088887 in words is "eighty-nine million, eighty-eight thousand, eight hundred eighty-seven".
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