Base | Representation |
---|---|
bin | 1011100011111101010101 |
3 | 12200222120102 |
4 | 23203331111 |
5 | 1233441434 |
6 | 144543445 |
7 | 34522232 |
oct | 13437525 |
9 | 5628512 |
10 | 3030869 |
11 | 1790156 |
12 | 1021b85 |
13 | 82171a |
14 | 58c789 |
15 | 3ed07e |
hex | 2e3f55 |
3030869 has 2 divisors, whose sum is σ = 3030870. Its totient is φ = 3030868.
The previous prime is 3030857. The next prime is 3030893. The reversal of 3030869 is 9680303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2845969 + 184900 = 1687^2 + 430^2 .
It is an emirp because it is prime and its reverse (9680303) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3030869 - 212 = 3026773 is a prime.
It is a super-2 number, since 2×30308692 = 18372333790322, which contains 22 as substring.
It is a Chen prime.
It is equal to p218873 and since 3030869 and 218873 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3030829) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515434 + 1515435.
It is an arithmetic number, because the mean of its divisors is an integer number (1515435).
Almost surely, 23030869 is an apocalyptic number.
It is an amenable number.
3030869 is a deficient number, since it is larger than the sum of its proper divisors (1).
3030869 is an equidigital number, since it uses as much as digits as its factorization.
3030869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 3030869 is about 1740.9391143863. The cubic root of 3030869 is about 144.7179455591.
The spelling of 3030869 in words is "three million, thirty thousand, eight hundred sixty-nine".
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