Base | Representation |
---|---|
bin | 11110000100001111101 |
3 | 1212001110101 |
4 | 3300201331 |
5 | 223011323 |
6 | 33041101 |
7 | 11242225 |
oct | 3604175 |
9 | 1761411 |
10 | 985213 |
11 | 613229 |
12 | 3b6191 |
13 | 286588 |
14 | 1b9085 |
15 | 146dad |
hex | f087d |
985213 has 2 divisors, whose sum is σ = 985214. Its totient is φ = 985212.
The previous prime is 985181. The next prime is 985219. The reversal of 985213 is 312589.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 573049 + 412164 = 757^2 + 642^2 .
It is an emirp because it is prime and its reverse (312589) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 985213 - 25 = 985181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (985219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492606 + 492607.
It is an arithmetic number, because the mean of its divisors is an integer number (492607).
2985213 is an apocalyptic number.
It is an amenable number.
985213 is a deficient number, since it is larger than the sum of its proper divisors (1).
985213 is an equidigital number, since it uses as much as digits as its factorization.
985213 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2160, while the sum is 28.
The square root of 985213 is about 992.5789641132. The cubic root of 985213 is about 99.5046503386.
The spelling of 985213 in words is "nine hundred eighty-five thousand, two hundred thirteen".
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