Base | Representation |
---|---|
bin | 1010001111101… |
… | …01001111110101 |
3 | 12222201011101221 |
4 | 11013311033311 |
5 | 134000023224 |
6 | 12305550341 |
7 | 2062320400 |
oct | 507651765 |
9 | 188634357 |
10 | 85939189 |
11 | 44568426 |
12 | 249453b1 |
13 | 14a5c7bb |
14 | b5b0d37 |
15 | 78286e4 |
hex | 51f53f5 |
85939189 has 12 divisors (see below), whose sum is σ = 100121184. Its totient is φ = 73550904.
The previous prime is 85939127. The next prime is 85939207. The reversal of 85939189 is 98193958.
It is not a de Polignac number, because 85939189 - 211 = 85937141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85939589) 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 in 11 ways as a sum of consecutive naturals, for example, 62184 + ... + 63550.
It is an arithmetic number, because the mean of its divisors is an integer number (8343432).
Almost surely, 285939189 is an apocalyptic number.
It is an amenable number.
85939189 is a deficient number, since it is larger than the sum of its proper divisors (14181995).
85939189 is a wasteful number, since it uses less digits than its factorization.
85939189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2664 (or 2657 counting only the distinct ones).
The product of its digits is 699840, while the sum is 52.
The square root of 85939189 is about 9270.3392063074. The cubic root of 85939189 is about 441.2964329312.
The spelling of 85939189 in words is "eighty-five million, nine hundred thirty-nine thousand, one hundred eighty-nine".
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