Base | Representation |
---|---|
bin | 1010110100111001111011 |
3 | 12100012012021 |
4 | 22310321323 |
5 | 1211310024 |
6 | 140455311 |
7 | 33060313 |
oct | 12647173 |
9 | 5305167 |
10 | 2838139 |
11 | 1669377 |
12 | b4a537 |
13 | 784a95 |
14 | 53c443 |
15 | 3b0de4 |
hex | 2b4e7b |
2838139 has 2 divisors, whose sum is σ = 2838140. Its totient is φ = 2838138.
The previous prime is 2838137. The next prime is 2838149. The reversal of 2838139 is 9318382.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2838139 - 21 = 2838137 is a prime.
Together with 2838137, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2838137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419069 + 1419070.
It is an arithmetic number, because the mean of its divisors is an integer number (1419070).
22838139 is an apocalyptic number.
2838139 is a deficient number, since it is larger than the sum of its proper divisors (1).
2838139 is an equidigital number, since it uses as much as digits as its factorization.
2838139 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10368, while the sum is 34.
The square root of 2838139 is about 1684.6777139857. The cubic root of 2838139 is about 141.5830359145.
The spelling of 2838139 in words is "two million, eight hundred thirty-eight thousand, one hundred thirty-nine".
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