Base | Representation |
---|---|
bin | 1010101110000… |
… | …00100111010011 |
3 | 20021012022011212 |
4 | 11113000213103 |
5 | 141004333112 |
6 | 12531130335 |
7 | 2141201222 |
oct | 527004723 |
9 | 207168155 |
10 | 89917907 |
11 | 46835722 |
12 | 261439ab |
13 | 15823781 |
14 | bd28cb9 |
15 | 7d62522 |
hex | 55c09d3 |
89917907 has 2 divisors, whose sum is σ = 89917908. Its totient is φ = 89917906.
The previous prime is 89917903. The next prime is 89917921. The reversal of 89917907 is 70971998.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 89917907 - 22 = 89917903 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (89917903) 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, 44958953 + 44958954.
It is an arithmetic number, because the mean of its divisors is an integer number (44958954).
Almost surely, 289917907 is an apocalyptic number.
89917907 is a deficient number, since it is larger than the sum of its proper divisors (1).
89917907 is an equidigital number, since it uses as much as digits as its factorization.
89917907 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 285768, while the sum is 50.
The square root of 89917907 is about 9482.5053124161. The cubic root of 89917907 is about 448.0041769248.
The spelling of 89917907 in words is "eighty-nine million, nine hundred seventeen thousand, nine hundred seven".
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