Base | Representation |
---|---|
bin | 111101011010100100001 |
3 | 10210020120011 |
4 | 13223110201 |
5 | 1003344244 |
6 | 111044521 |
7 | 23051125 |
oct | 7532441 |
9 | 3706504 |
10 | 2012449 |
11 | 1154a8a |
12 | 810741 |
13 | 555cca |
14 | 3a5585 |
15 | 29b434 |
hex | 1eb521 |
2012449 has 2 divisors, whose sum is σ = 2012450. Its totient is φ = 2012448.
The previous prime is 2012447. The next prime is 2012471. The reversal of 2012449 is 9442102.
It is an a-pointer prime, because the next prime (2012471) can be obtained adding 2012449 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1281424 + 731025 = 1132^2 + 855^2 .
It is a cyclic number.
It is not a de Polignac number, because 2012449 - 21 = 2012447 is a prime.
Together with 2012447, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2012447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006224 + 1006225.
It is an arithmetic number, because the mean of its divisors is an integer number (1006225).
22012449 is an apocalyptic number.
It is an amenable number.
2012449 is a deficient number, since it is larger than the sum of its proper divisors (1).
2012449 is an equidigital number, since it uses as much as digits as its factorization.
2012449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 2012449 is about 1418.6081206591. The cubic root of 2012449 is about 126.2529770889.
The spelling of 2012449 in words is "two million, twelve thousand, four hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •