Base | Representation |
---|---|
bin | 111101011010001… |
… | …101000001001001 |
3 | 2122210122121102102 |
4 | 331122031001021 |
5 | 4102222413431 |
6 | 250122243145 |
7 | 34350141365 |
oct | 7532150111 |
9 | 2583577372 |
10 | 1030279241 |
11 | 489625052 |
12 | 2490564b5 |
13 | 1355ac2b4 |
14 | 9ab902a5 |
15 | 606b2dcb |
hex | 3d68d049 |
1030279241 has 2 divisors, whose sum is σ = 1030279242. Its totient is φ = 1030279240.
The previous prime is 1030279231. The next prime is 1030279297. The reversal of 1030279241 is 1429720301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1030153216 + 126025 = 32096^2 + 355^2 .
It is an emirp because it is prime and its reverse (1429720301) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1030279241 is a prime.
It is a super-2 number, since 2×10302792412 = 2122950628871072162, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1030279231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515139620 + 515139621.
It is an arithmetic number, because the mean of its divisors is an integer number (515139621).
Almost surely, 21030279241 is an apocalyptic number.
It is an amenable number.
1030279241 is a deficient number, since it is larger than the sum of its proper divisors (1).
1030279241 is an equidigital number, since it uses as much as digits as its factorization.
1030279241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 1030279241 is about 32097.9631908319. The cubic root of 1030279241 is about 1009.9928898627.
Adding to 1030279241 its reverse (1429720301), we get a palindrome (2459999542).
The spelling of 1030279241 in words is "one billion, thirty million, two hundred seventy-nine thousand, two hundred forty-one".
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