Base | Representation |
---|---|
bin | 10001010101011… |
… | …100100110100001 |
3 | 202021020221102002 |
4 | 101111130212201 |
5 | 1043423203344 |
6 | 44505333345 |
7 | 10131025004 |
oct | 2125344641 |
9 | 667227362 |
10 | 290834849 |
11 | 13a194588 |
12 | 81497255 |
13 | 4833c236 |
14 | 2a8a953b |
15 | 1a7ed44e |
hex | 1155c9a1 |
290834849 has 2 divisors, whose sum is σ = 290834850. Its totient is φ = 290834848.
The previous prime is 290834813. The next prime is 290834867. The reversal of 290834849 is 948438092.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 261404224 + 29430625 = 16168^2 + 5425^2 .
It is a cyclic number.
It is not a de Polignac number, because 290834849 - 216 = 290769313 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (290834549) 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, 145417424 + 145417425.
It is an arithmetic number, because the mean of its divisors is an integer number (145417425).
Almost surely, 2290834849 is an apocalyptic number.
It is an amenable number.
290834849 is a deficient number, since it is larger than the sum of its proper divisors (1).
290834849 is an equidigital number, since it uses as much as digits as its factorization.
290834849 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 497664, while the sum is 47.
The square root of 290834849 is about 17053.8807606949. The cubic root of 290834849 is about 662.5451533957.
The spelling of 290834849 in words is "two hundred ninety million, eight hundred thirty-four thousand, eight hundred forty-nine".
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