Base | Representation |
---|---|
bin | 1010010010010… |
… | …00011111111101 |
3 | 20000100111011120 |
4 | 11021020133331 |
5 | 134041431224 |
6 | 12321141153 |
7 | 2065240512 |
oct | 511103775 |
9 | 200314146 |
10 | 86280189 |
11 | 44780646 |
12 | 24a8a7b9 |
13 | 14b4ba88 |
14 | b65d309 |
15 | 7894779 |
hex | 52487fd |
86280189 has 16 divisors (see below), whose sum is σ = 118417728. Its totient is φ = 55838592.
The previous prime is 86280163. The next prime is 86280193. The reversal of 86280189 is 98108268.
It is not a de Polignac number, because 86280189 - 25 = 86280157 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 86280189.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86280119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94674 + ... + 95580.
It is an arithmetic number, because the mean of its divisors is an integer number (7401108).
Almost surely, 286280189 is an apocalyptic number.
It is an amenable number.
86280189 is a deficient number, since it is larger than the sum of its proper divisors (32137539).
86280189 is a wasteful number, since it uses less digits than its factorization.
86280189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1804.
The product of its (nonzero) digits is 55296, while the sum is 42.
The square root of 86280189 is about 9288.7129894297. The cubic root of 86280189 is about 441.8793392445.
The spelling of 86280189 in words is "eighty-six million, two hundred eighty thousand, one hundred eighty-nine".
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