Base | Representation |
---|---|
bin | 111011111010101… |
… | …100010010001001 |
3 | 2121001112120001222 |
4 | 323322230102021 |
5 | 4024320211411 |
6 | 243425451425 |
7 | 33624261116 |
oct | 7372542211 |
9 | 2531476058 |
10 | 1005241481 |
11 | 476483892 |
12 | 2407a0b75 |
13 | 130353b5a |
14 | 9771390d |
15 | 5d3b94db |
hex | 3beac489 |
1005241481 has 2 divisors, whose sum is σ = 1005241482. Its totient is φ = 1005241480.
The previous prime is 1005241477. The next prime is 1005241547. The reversal of 1005241481 is 1841425001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 902401600 + 102839881 = 30040^2 + 10141^2 .
It is a cyclic number.
It is not a de Polignac number, because 1005241481 - 22 = 1005241477 is a prime.
It is a super-2 number, since 2×10052414812 = 2021020870246146722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1005241481.
It is not a weakly prime, because it can be changed into another prime (1005241411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502620740 + 502620741.
It is an arithmetic number, because the mean of its divisors is an integer number (502620741).
Almost surely, 21005241481 is an apocalyptic number.
It is an amenable number.
1005241481 is a deficient number, since it is larger than the sum of its proper divisors (1).
1005241481 is an equidigital number, since it uses as much as digits as its factorization.
1005241481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 1005241481 is about 31705.5433796679. The cubic root of 1005241481 is about 1001.7441166220.
Adding to 1005241481 its reverse (1841425001), we get a palindrome (2846666482).
The spelling of 1005241481 in words is "one billion, five million, two hundred forty-one thousand, four hundred eighty-one".
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