Base | Representation |
---|---|
bin | 101010111110101… |
… | …1000011011110011 |
3 | 10201111200000200112 |
4 | 1111331120123303 |
5 | 10423142413402 |
6 | 355034211535 |
7 | 50511052163 |
oct | 12575303363 |
9 | 3644600615 |
10 | 1442154227 |
11 | 6800708a8 |
12 | 342b83bab |
13 | 19ca1a9c7 |
14 | d97665a3 |
15 | 8691ee52 |
hex | 55f586f3 |
1442154227 has 2 divisors, whose sum is σ = 1442154228. Its totient is φ = 1442154226.
The previous prime is 1442154209. The next prime is 1442154229. The reversal of 1442154227 is 7224512441.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1442154227 - 210 = 1442153203 is a prime.
Together with 1442154229, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1442154193 and 1442154202.
It is not a weakly prime, because it can be changed into another prime (1442154229) 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, 721077113 + 721077114.
It is an arithmetic number, because the mean of its divisors is an integer number (721077114).
Almost surely, 21442154227 is an apocalyptic number.
1442154227 is a deficient number, since it is larger than the sum of its proper divisors (1).
1442154227 is an equidigital number, since it uses as much as digits as its factorization.
1442154227 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 17920, while the sum is 32.
The square root of 1442154227 is about 37975.7057472274. The cubic root of 1442154227 is about 1129.8060666481.
Adding to 1442154227 its reverse (7224512441), we get a palindrome (8666666668).
The spelling of 1442154227 in words is "one billion, four hundred forty-two million, one hundred fifty-four thousand, two hundred twenty-seven".
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