Base | Representation |
---|---|
bin | 1010110101000110010011 |
3 | 12100020021121 |
4 | 22311012103 |
5 | 1211321211 |
6 | 140503111 |
7 | 33062524 |
oct | 12650623 |
9 | 5306247 |
10 | 2838931 |
11 | 1669a27 |
12 | b4aa97 |
13 | 785254 |
14 | 53c84b |
15 | 3b1271 |
hex | 2b5193 |
2838931 has 2 divisors, whose sum is σ = 2838932. Its totient is φ = 2838930.
The previous prime is 2838919. The next prime is 2838937. The reversal of 2838931 is 1398382.
2838931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2838931 - 219 = 2314643 is a prime.
It is a super-2 number, since 2×28389312 = 16119058445522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2838937) 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, 1419465 + 1419466.
It is an arithmetic number, because the mean of its divisors is an integer number (1419466).
22838931 is an apocalyptic number.
2838931 is a deficient number, since it is larger than the sum of its proper divisors (1).
2838931 is an equidigital number, since it uses as much as digits as its factorization.
2838931 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10368, while the sum is 34.
The square root of 2838931 is about 1684.9127573854. The cubic root of 2838931 is about 141.5962045596.
The spelling of 2838931 in words is "two million, eight hundred thirty-eight thousand, nine hundred thirty-one".
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