Base | Representation |
---|---|
bin | 1010000101000… |
… | …0011111001111 |
3 | 2221112200021021 |
4 | 2201100133033 |
5 | 41310211334 |
6 | 4110015011 |
7 | 1022212036 |
oct | 241203717 |
9 | 87480237 |
10 | 42272719 |
11 | 21953135 |
12 | 121a7467 |
13 | 89b1158 |
14 | 588571d |
15 | 3aa03b4 |
hex | 28507cf |
42272719 has 2 divisors, whose sum is σ = 42272720. Its totient is φ = 42272718.
The previous prime is 42272687. The next prime is 42272729. The reversal of 42272719 is 91727224.
It is a happy number.
42272719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 42272719 - 25 = 42272687 is a prime.
It is a super-2 number, since 2×422727192 = 3573965543305922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42272729) 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 as a sum of consecutive naturals, namely, 21136359 + 21136360.
It is an arithmetic number, because the mean of its divisors is an integer number (21136360).
Almost surely, 242272719 is an apocalyptic number.
42272719 is a deficient number, since it is larger than the sum of its proper divisors (1).
42272719 is an equidigital number, since it uses as much as digits as its factorization.
42272719 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 14112, while the sum is 34.
The square root of 42272719 is about 6501.7473805124. The cubic root of 42272719 is about 348.3534057912.
The spelling of 42272719 in words is "forty-two million, two hundred seventy-two thousand, seven hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •