Base | Representation |
---|---|
bin | 1001000010111100… |
… | …0011110010011111 |
3 | 20021020012011011212 |
4 | 2100233003302133 |
5 | 14433113133031 |
6 | 1040541535035 |
7 | 114113554532 |
oct | 22057036237 |
9 | 6236164155 |
10 | 2428255391 |
11 | 1036761241 |
12 | 57927447b |
13 | 2c90cc813 |
14 | 1906d6a19 |
15 | e32a812b |
hex | 90bc3c9f |
2428255391 has 2 divisors, whose sum is σ = 2428255392. Its totient is φ = 2428255390.
The previous prime is 2428255363. The next prime is 2428255393. The reversal of 2428255391 is 1935528242.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2428255391 is a prime.
Together with 2428255393, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2428255393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214127695 + 1214127696.
It is an arithmetic number, because the mean of its divisors is an integer number (1214127696).
Almost surely, 22428255391 is an apocalyptic number.
2428255391 is a deficient number, since it is larger than the sum of its proper divisors (1).
2428255391 is an equidigital number, since it uses as much as digits as its factorization.
2428255391 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 172800, while the sum is 41.
The square root of 2428255391 is about 49277.3314111063. The cubic root of 2428255391 is about 1344.0996062371.
The spelling of 2428255391 in words is "two billion, four hundred twenty-eight million, two hundred fifty-five thousand, three hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •