Base | Representation |
---|---|
bin | 10001001100111… |
… | …10010101101101 |
3 | 101001112101010221 |
4 | 20212132111231 |
5 | 243420202334 |
6 | 22152531341 |
7 | 3401362552 |
oct | 1046362555 |
9 | 331471127 |
10 | 144303469 |
11 | 74501372 |
12 | 403b0b51 |
13 | 23b8608b |
14 | 15244a29 |
15 | ca068b4 |
hex | 899e56d |
144303469 has 2 divisors, whose sum is σ = 144303470. Its totient is φ = 144303468.
The previous prime is 144303451. The next prime is 144303503. The reversal of 144303469 is 964303441.
It is an a-pointer prime, because the next prime (144303503) can be obtained adding 144303469 to its sum of digits (34).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 80910025 + 63393444 = 8995^2 + 7962^2 .
It is an emirp because it is prime and its reverse (964303441) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 144303469 - 25 = 144303437 is a prime.
It is a super-2 number, since 2×1443034692 = 41646982330867922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144303569) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72151734 + 72151735.
It is an arithmetic number, because the mean of its divisors is an integer number (72151735).
Almost surely, 2144303469 is an apocalyptic number.
It is an amenable number.
144303469 is a deficient number, since it is larger than the sum of its proper divisors (1).
144303469 is an equidigital number, since it uses as much as digits as its factorization.
144303469 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 34.
The square root of 144303469 is about 12012.6378868257. The cubic root of 144303469 is about 524.5162213120.
The spelling of 144303469 in words is "one hundred forty-four million, three hundred three thousand, four hundred sixty-nine".
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