Base | Representation |
---|---|
bin | 1000001000000001111111 |
3 | 11000012212122 |
4 | 20020001333 |
5 | 1021130142 |
6 | 113353155 |
7 | 24051023 |
oct | 10100177 |
9 | 4005778 |
10 | 2130047 |
11 | 1225377 |
12 | 8687bb |
13 | 5976aa |
14 | 3d6383 |
15 | 2c11d2 |
hex | 20807f |
2130047 has 2 divisors, whose sum is σ = 2130048. Its totient is φ = 2130046.
The previous prime is 2130031. The next prime is 2130061. The reversal of 2130047 is 7400312.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2130047 - 24 = 2130031 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065023 + 1065024.
It is an arithmetic number, because the mean of its divisors is an integer number (1065024).
22130047 is an apocalyptic number.
2130047 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130047 is an equidigital number, since it uses as much as digits as its factorization.
2130047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 2130047 is about 1459.4680537785. The cubic root of 2130047 is about 128.6657814765.
Adding to 2130047 its reverse (7400312), we get a palindrome (9530359).
The spelling of 2130047 in words is "two million, one hundred thirty thousand, forty-seven".
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