Base | Representation |
---|---|
bin | 101010111110111… |
… | …0111001010011001 |
3 | 10201111220102100002 |
4 | 1111331313022121 |
5 | 10423210430324 |
6 | 355041022345 |
7 | 50512115135 |
oct | 12575671231 |
9 | 3644812302 |
10 | 1442280089 |
11 | 680147418 |
12 | 3430249b5 |
13 | 19ca63093 |
14 | d979a3c5 |
15 | 869473ae |
hex | 55f77299 |
1442280089 has 2 divisors, whose sum is σ = 1442280090. Its totient is φ = 1442280088.
The previous prime is 1442280041. The next prime is 1442280097. The reversal of 1442280089 is 9800822441.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1118568025 + 323712064 = 33445^2 + 17992^2 .
It is a cyclic number.
It is not a de Polignac number, because 1442280089 - 212 = 1442275993 is a prime.
It is not a weakly prime, because it can be changed into another prime (1442280989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721140044 + 721140045.
It is an arithmetic number, because the mean of its divisors is an integer number (721140045).
Almost surely, 21442280089 is an apocalyptic number.
It is an amenable number.
1442280089 is a deficient number, since it is larger than the sum of its proper divisors (1).
1442280089 is an equidigital number, since it uses as much as digits as its factorization.
1442280089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 1442280089 is about 37977.3628494660. The cubic root of 1442280089 is about 1129.8389331086.
The spelling of 1442280089 in words is "one billion, four hundred forty-two million, two hundred eighty thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •