Base | Representation |
---|---|
bin | 111110011110100111001 |
3 | 10212000100112 |
4 | 13303310321 |
5 | 1011003124 |
6 | 111514105 |
7 | 23254526 |
oct | 7636471 |
9 | 3760315 |
10 | 2047289 |
11 | 1179182 |
12 | 828935 |
13 | 568b1a |
14 | 3b414d |
15 | 2a690e |
hex | 1f3d39 |
2047289 has 2 divisors, whose sum is σ = 2047290. Its totient is φ = 2047288.
The previous prime is 2047249. The next prime is 2047303. The reversal of 2047289 is 9827402.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1776889 + 270400 = 1333^2 + 520^2 .
It is a cyclic number.
It is not a de Polignac number, because 2047289 - 212 = 2043193 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is an Ulam number.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2047219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023644 + 1023645.
It is an arithmetic number, because the mean of its divisors is an integer number (1023645).
22047289 is an apocalyptic number.
It is an amenable number.
2047289 is a deficient number, since it is larger than the sum of its proper divisors (1).
2047289 is an equidigital number, since it uses as much as digits as its factorization.
2047289 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 2047289 is about 1430.8350708590. The cubic root of 2047289 is about 126.9773865952.
The spelling of 2047289 in words is "two million, forty-seven thousand, two hundred eighty-nine".
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