Base | Representation |
---|---|
bin | 100100111101000… |
… | …1110111100100101 |
3 | 10012102021122102122 |
4 | 1021322032330211 |
5 | 10014420033331 |
6 | 323013315325 |
7 | 42504563114 |
oct | 11172167445 |
9 | 3172248378 |
10 | 1240002341 |
11 | 586a49126 |
12 | 2a7335b45 |
13 | 169b8c0c6 |
14 | ba983c7b |
15 | 73cdd17b |
hex | 49e8ef25 |
1240002341 has 2 divisors, whose sum is σ = 1240002342. Its totient is φ = 1240002340.
The previous prime is 1240002293. The next prime is 1240002343. The reversal of 1240002341 is 1432000421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 904746241 + 335256100 = 30079^2 + 18310^2 .
It is an emirp because it is prime and its reverse (1432000421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1240002341 - 26 = 1240002277 is a prime.
Together with 1240002343, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1240002343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620001170 + 620001171.
It is an arithmetic number, because the mean of its divisors is an integer number (620001171).
Almost surely, 21240002341 is an apocalyptic number.
It is an amenable number.
1240002341 is a deficient number, since it is larger than the sum of its proper divisors (1).
1240002341 is an equidigital number, since it uses as much as digits as its factorization.
1240002341 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1240002341 is about 35213.6669632687. Note that the first 3 decimals coincide. The cubic root of 1240002341 is about 1074.3377470700.
Adding to 1240002341 its reverse (1432000421), we get a palindrome (2672002762).
The spelling of 1240002341 in words is "one billion, two hundred forty million, two thousand, three hundred forty-one".
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