Base | Representation |
---|---|
bin | 111111100000100010111 |
3 | 10220201122211 |
4 | 13330010113 |
5 | 1013043142 |
6 | 112334251 |
7 | 23455123 |
oct | 7740427 |
9 | 3821584 |
10 | 2081047 |
11 | 11a1581 |
12 | 844387 |
13 | 57b2b7 |
14 | 3c2583 |
15 | 2b1917 |
hex | 1fc117 |
2081047 has 2 divisors, whose sum is σ = 2081048. Its totient is φ = 2081046.
The previous prime is 2081039. The next prime is 2081099. The reversal of 2081047 is 7401802.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2081047 - 23 = 2081039 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2081147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040523 + 1040524.
It is an arithmetic number, because the mean of its divisors is an integer number (1040524).
22081047 is an apocalyptic number.
2081047 is a deficient number, since it is larger than the sum of its proper divisors (1).
2081047 is an equidigital number, since it uses as much as digits as its factorization.
2081047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 2081047 is about 1442.5834464599. The cubic root of 2081047 is about 127.6715005960.
Adding to 2081047 its reverse (7401802), we get a palindrome (9482849).
The spelling of 2081047 in words is "two million, eighty-one thousand, forty-seven".
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