Base | Representation |
---|---|
bin | 101110001010010… |
… | …001111111000001 |
3 | 1222222020222121202 |
4 | 232022101333001 |
5 | 3041224301131 |
6 | 204503030545 |
7 | 25122456044 |
oct | 5612217701 |
9 | 1888228552 |
10 | 774447041 |
11 | 368178585 |
12 | 19743b455 |
13 | c45a70b4 |
14 | 74bd6c5b |
15 | 47ecabcb |
hex | 2e291fc1 |
774447041 has 2 divisors, whose sum is σ = 774447042. Its totient is φ = 774447040.
The previous prime is 774447029. The next prime is 774447043. The reversal of 774447041 is 140744477.
774447041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 563587600 + 210859441 = 23740^2 + 14521^2 .
It is an emirp because it is prime and its reverse (140744477) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 774447041 - 26 = 774446977 is a prime.
Together with 774447043, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 774446986 and 774447004.
It is not a weakly prime, because it can be changed into another prime (774447043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387223520 + 387223521.
It is an arithmetic number, because the mean of its divisors is an integer number (387223521).
Almost surely, 2774447041 is an apocalyptic number.
It is an amenable number.
774447041 is a deficient number, since it is larger than the sum of its proper divisors (1).
774447041 is an equidigital number, since it uses as much as digits as its factorization.
774447041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 87808, while the sum is 38.
The square root of 774447041 is about 27828.8886051887. Note that the first 3 decimals coincide. The cubic root of 774447041 is about 918.3267637281.
The spelling of 774447041 in words is "seven hundred seventy-four million, four hundred forty-seven thousand, forty-one".
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