Base | Representation |
---|---|
bin | 1010110100111111010001 |
3 | 12100012122221 |
4 | 22310333101 |
5 | 1211312411 |
6 | 140501041 |
7 | 33061312 |
oct | 12647721 |
9 | 5305587 |
10 | 2838481 |
11 | 1669658 |
12 | b4a781 |
13 | 784c99 |
14 | 53c609 |
15 | 3b1071 |
hex | 2b4fd1 |
2838481 has 2 divisors, whose sum is σ = 2838482. Its totient is φ = 2838480.
The previous prime is 2838463. The next prime is 2838487. The reversal of 2838481 is 1848382.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2298256 + 540225 = 1516^2 + 735^2 .
It is a cyclic number.
It is not a de Polignac number, because 2838481 - 25 = 2838449 is a prime.
It is a super-2 number, since 2×28384812 = 16113948774722, which contains 22 as substring.
2838481 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (2838487) 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, 1419240 + 1419241.
It is an arithmetic number, because the mean of its divisors is an integer number (1419241).
22838481 is an apocalyptic number.
It is an amenable number.
2838481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2838481 is an equidigital number, since it uses as much as digits as its factorization.
2838481 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 12288, while the sum is 34.
The square root of 2838481 is about 1684.7792140218. The cubic root of 2838481 is about 141.5887226753.
Subtracting from 2838481 its reverse (1848382), we obtain a palindrome (990099).
The spelling of 2838481 in words is "two million, eight hundred thirty-eight thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •