Base | Representation |
---|---|
bin | 11101001100110… |
… | …001100100101001 |
3 | 1021010210220001112 |
4 | 131030301210221 |
5 | 2000402404131 |
6 | 120340000105 |
7 | 15065660006 |
oct | 3514614451 |
9 | 1233726045 |
10 | 489888041 |
11 | 231590155 |
12 | 118090035 |
13 | 7a6545a6 |
14 | 490c28ad |
15 | 2d01c02b |
hex | 1d331929 |
489888041 has 2 divisors, whose sum is σ = 489888042. Its totient is φ = 489888040.
The previous prime is 489887989. The next prime is 489888043. The reversal of 489888041 is 140888984.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 431808400 + 58079641 = 20780^2 + 7621^2 .
It is a cyclic number.
It is not a de Polignac number, because 489888041 - 218 = 489625897 is a prime.
Together with 489888043, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (489888043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244944020 + 244944021.
It is an arithmetic number, because the mean of its divisors is an integer number (244944021).
Almost surely, 2489888041 is an apocalyptic number.
It is an amenable number.
489888041 is a deficient number, since it is larger than the sum of its proper divisors (1).
489888041 is an equidigital number, since it uses as much as digits as its factorization.
489888041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 589824, while the sum is 50.
The square root of 489888041 is about 22133.4145806742. The cubic root of 489888041 is about 788.3134671718.
The spelling of 489888041 in words is "four hundred eighty-nine million, eight hundred eighty-eight thousand, forty-one".
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