Base | Representation |
---|---|
bin | 10001001101101… |
… | …10011100110011 |
3 | 101001201101121122 |
4 | 20212312130303 |
5 | 243431332402 |
6 | 22155012455 |
7 | 3402253514 |
oct | 1046663463 |
9 | 331641548 |
10 | 144402227 |
11 | 74569592 |
12 | 4043a12b |
13 | 23bbc008 |
14 | 1526ca0b |
15 | ca25ca2 |
hex | 89b6733 |
144402227 has 2 divisors, whose sum is σ = 144402228. Its totient is φ = 144402226.
The previous prime is 144402197. The next prime is 144402229. The reversal of 144402227 is 722204441.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 144402227 - 216 = 144336691 is a prime.
Together with 144402229, 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 = 144402196 and 144402205.
It is not a weakly prime, because it can be changed into another prime (144402229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72201113 + 72201114.
It is an arithmetic number, because the mean of its divisors is an integer number (72201114).
Almost surely, 2144402227 is an apocalyptic number.
144402227 is a deficient number, since it is larger than the sum of its proper divisors (1).
144402227 is an equidigital number, since it uses as much as digits as its factorization.
144402227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3584, while the sum is 26.
The square root of 144402227 is about 12016.7477713398. The cubic root of 144402227 is about 524.6358496686.
Adding to 144402227 its reverse (722204441), we get a palindrome (866606668).
The spelling of 144402227 in words is "one hundred forty-four million, four hundred two thousand, two hundred twenty-seven".
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