Base | Representation |
---|---|
bin | 11101111110011000101 |
3 | 1211220100021 |
4 | 3233303011 |
5 | 222412323 |
6 | 33015141 |
7 | 11230411 |
oct | 3576305 |
9 | 1756307 |
10 | 982213 |
11 | 610a51 |
12 | 3b44b1 |
13 | 2850bb |
14 | 1b7d41 |
15 | 14605d |
hex | efcc5 |
982213 has 2 divisors, whose sum is σ = 982214. Its totient is φ = 982212.
The previous prime is 982211. The next prime is 982217. The reversal of 982213 is 312289.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 550564 + 431649 = 742^2 + 657^2 .
It is an emirp because it is prime and its reverse (312289) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 982213 - 21 = 982211 is a prime.
Together with 982211, it forms a pair of twin primes.
It is equal to p77227 and since 982213 and 77227 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (982211) 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, 491106 + 491107.
It is an arithmetic number, because the mean of its divisors is an integer number (491107).
2982213 is an apocalyptic number.
It is an amenable number.
982213 is a deficient number, since it is larger than the sum of its proper divisors (1).
982213 is an equidigital number, since it uses as much as digits as its factorization.
982213 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 864, while the sum is 25.
The square root of 982213 is about 991.0665971568. The cubic root of 982213 is about 99.4035495415.
The spelling of 982213 in words is "nine hundred eighty-two thousand, two hundred thirteen".
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