Base | Representation |
---|---|
bin | 11010010000111… |
… | …01111111111111 |
3 | 120100120121111012 |
4 | 31020131333333 |
5 | 422400330324 |
6 | 33510145435 |
7 | 5313502361 |
oct | 1510357777 |
9 | 510517435 |
10 | 220323839 |
11 | 10340461a |
12 | 6195227b |
13 | 36851c48 |
14 | 21392d31 |
15 | 1452120e |
hex | d21dfff |
220323839 has 2 divisors, whose sum is σ = 220323840. Its totient is φ = 220323838.
The previous prime is 220323821. The next prime is 220323841. The reversal of 220323839 is 938323022.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 220323839 - 216 = 220258303 is a prime.
Together with 220323841, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (220323899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110161919 + 110161920.
It is an arithmetic number, because the mean of its divisors is an integer number (110161920).
Almost surely, 2220323839 is an apocalyptic number.
220323839 is a deficient number, since it is larger than the sum of its proper divisors (1).
220323839 is an equidigital number, since it uses as much as digits as its factorization.
220323839 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 32.
The square root of 220323839 is about 14843.3095703081. The cubic root of 220323839 is about 603.9771337264.
The spelling of 220323839 in words is "two hundred twenty million, three hundred twenty-three thousand, eight hundred thirty-nine".
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