Base | Representation |
---|---|
bin | 1010101110000… |
… | …01001010111001 |
3 | 20021012102022020 |
4 | 11113001022321 |
5 | 141004421220 |
6 | 12531145053 |
7 | 2141210655 |
oct | 527011271 |
9 | 207172266 |
10 | 89920185 |
11 | 46837403 |
12 | 26145189 |
13 | 15824814 |
14 | bd29a65 |
15 | 7d63040 |
hex | 55c12b9 |
89920185 has 8 divisors (see below), whose sum is σ = 143872320. Its totient is φ = 47957424.
The previous prime is 89920183. The next prime is 89920211. The reversal of 89920185 is 58102998.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 89920185 - 21 = 89920183 is a prime.
It is not an unprimeable number, because it can be changed into a prime (89920183) 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 in 7 ways as a sum of consecutive naturals, for example, 2997325 + ... + 2997354.
It is an arithmetic number, because the mean of its divisors is an integer number (17984040).
Almost surely, 289920185 is an apocalyptic number.
It is an amenable number.
89920185 is a deficient number, since it is larger than the sum of its proper divisors (53952135).
89920185 is a wasteful number, since it uses less digits than its factorization.
89920185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5994687.
The product of its (nonzero) digits is 51840, while the sum is 42.
The square root of 89920185 is about 9482.6254275912. The cubic root of 89920185 is about 448.0079601716.
The spelling of 89920185 in words is "eighty-nine million, nine hundred twenty thousand, one hundred eighty-five".
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