Base | Representation |
---|---|
bin | 110000111111… |
… | …010000111001 |
3 | 220011102222011 |
4 | 300333100321 |
5 | 11241421131 |
6 | 1135125521 |
7 | 214104232 |
oct | 60772071 |
9 | 26142864 |
10 | 12842041 |
11 | 7281463 |
12 | 43738a1 |
13 | 2878354 |
14 | 19c4089 |
15 | 11da0b1 |
hex | c3f439 |
12842041 has 4 divisors (see below), whose sum is σ = 13284900. Its totient is φ = 12399184.
The previous prime is 12842023. The next prime is 12842047. The reversal of 12842041 is 14024821.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5659641 + 7182400 = 2379^2 + 2680^2 .
It is a cyclic number.
It is not a de Polignac number, because 12842041 - 223 = 4453433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12842047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221386 + ... + 221443.
It is an arithmetic number, because the mean of its divisors is an integer number (3321225).
Almost surely, 212842041 is an apocalyptic number.
It is an amenable number.
12842041 is a deficient number, since it is larger than the sum of its proper divisors (442859).
12842041 is an equidigital number, since it uses as much as digits as its factorization.
12842041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 442858.
The product of its (nonzero) digits is 512, while the sum is 22.
The square root of 12842041 is about 3583.5793558954. The cubic root of 12842041 is about 234.1772404952.
Adding to 12842041 its reverse (14024821), we get a palindrome (26866862).
The spelling of 12842041 in words is "twelve million, eight hundred forty-two thousand, forty-one".
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