Base | Representation |
---|---|
bin | 111101001011010… |
… | …101110101110101 |
3 | 2122112022200002101 |
4 | 331023111311311 |
5 | 4100223230341 |
6 | 245502542101 |
7 | 34302053623 |
oct | 7513256565 |
9 | 2575280071 |
10 | 1026383221 |
11 | 4874039a6 |
12 | 247897931 |
13 | 134846b66 |
14 | 9a458513 |
15 | 60193831 |
hex | 3d2d5d75 |
1026383221 has 2 divisors, whose sum is σ = 1026383222. Its totient is φ = 1026383220.
The previous prime is 1026383207. The next prime is 1026383263. The reversal of 1026383221 is 1223836201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 735168996 + 291214225 = 27114^2 + 17065^2 .
It is a cyclic number.
It is not a de Polignac number, because 1026383221 - 211 = 1026381173 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1026383221.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1026383201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513191610 + 513191611.
It is an arithmetic number, because the mean of its divisors is an integer number (513191611).
Almost surely, 21026383221 is an apocalyptic number.
It is an amenable number.
1026383221 is a deficient number, since it is larger than the sum of its proper divisors (1).
1026383221 is an equidigital number, since it uses as much as digits as its factorization.
1026383221 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 1026383221 is about 32037.2161868037. The cubic root of 1026383221 is about 1008.7181794669.
The spelling of 1026383221 in words is "one billion, twenty-six million, three hundred eighty-three thousand, two hundred twenty-one".
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