Base | Representation |
---|---|
bin | 10001001011001… |
… | …11100101010101 |
3 | 101001002222111021 |
4 | 20211213211111 |
5 | 243341013224 |
6 | 22144041141 |
7 | 3366436642 |
oct | 1045474525 |
9 | 331088437 |
10 | 144079189 |
11 | 74368911 |
12 | 403031b1 |
13 | 23b07c77 |
14 | 151c6dc9 |
15 | c9b01e4 |
hex | 8967955 |
144079189 has 2 divisors, whose sum is σ = 144079190. Its totient is φ = 144079188.
The previous prime is 144079183. The next prime is 144079219. The reversal of 144079189 is 981970441.
144079189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 138462289 + 5616900 = 11767^2 + 2370^2 .
It is a cyclic number.
It is not a de Polignac number, because 144079189 - 227 = 9861461 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144079183) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72039594 + 72039595.
It is an arithmetic number, because the mean of its divisors is an integer number (72039595).
Almost surely, 2144079189 is an apocalyptic number.
It is an amenable number.
144079189 is a deficient number, since it is larger than the sum of its proper divisors (1).
144079189 is an equidigital number, since it uses as much as digits as its factorization.
144079189 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72576, while the sum is 43.
The square root of 144079189 is about 12003.2990881674. The cubic root of 144079189 is about 524.2443417396.
The spelling of 144079189 in words is "one hundred forty-four million, seventy-nine thousand, one hundred eighty-nine".
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