Base | Representation |
---|---|
bin | 1011111100010110100101 |
3 | 12220001122011 |
4 | 23330112211 |
5 | 1300141124 |
6 | 151034221 |
7 | 35416444 |
oct | 13742645 |
9 | 5801564 |
10 | 3130789 |
11 | 1849232 |
12 | 106b971 |
13 | 85804c |
14 | 5b6d5b |
15 | 41c994 |
hex | 2fc5a5 |
3130789 has 2 divisors, whose sum is σ = 3130790. Its totient is φ = 3130788.
The previous prime is 3130759. The next prime is 3130817. The reversal of 3130789 is 9870313.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1768900 + 1361889 = 1330^2 + 1167^2 .
It is a cyclic number.
It is not a de Polignac number, because 3130789 - 213 = 3122597 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3130789.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3130739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565394 + 1565395.
It is an arithmetic number, because the mean of its divisors is an integer number (1565395).
Almost surely, 23130789 is an apocalyptic number.
It is an amenable number.
3130789 is a deficient number, since it is larger than the sum of its proper divisors (1).
3130789 is an equidigital number, since it uses as much as digits as its factorization.
3130789 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 3130789 is about 1769.4035718287. The cubic root of 3130789 is about 146.2911092948.
It can be divided in two parts, 31 and 30789, that multiplied together give a palindrome (954459).
The spelling of 3130789 in words is "three million, one hundred thirty thousand, seven hundred eighty-nine".
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