Base | Representation |
---|---|
bin | 10001001100111… |
… | …10100001011111 |
3 | 101001112102011212 |
4 | 20212132201133 |
5 | 243420213343 |
6 | 22152535035 |
7 | 3401365010 |
oct | 1046364137 |
9 | 331472155 |
10 | 144304223 |
11 | 74501998 |
12 | 403b147b |
13 | 23b8651b |
14 | 15245007 |
15 | ca06c18 |
hex | 899e85f |
144304223 has 8 divisors (see below), whose sum is σ = 167623200. Its totient is φ = 121661280.
The previous prime is 144304201. The next prime is 144304267. The reversal of 144304223 is 322403441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144304223 - 212 = 144300127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144300223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168548 + ... + 169401.
It is an arithmetic number, because the mean of its divisors is an integer number (20952900).
Almost surely, 2144304223 is an apocalyptic number.
144304223 is a deficient number, since it is larger than the sum of its proper divisors (23318977).
144304223 is an equidigital number, since it uses as much as digits as its factorization.
144304223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338017.
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 144304223 is about 12012.6692703995. The cubic root of 144304223 is about 524.5171348602.
Adding to 144304223 its reverse (322403441), we get a palindrome (466707664).
The spelling of 144304223 in words is "one hundred forty-four million, three hundred four thousand, two hundred twenty-three".
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