Base | Representation |
---|---|
bin | 10001001011101… |
… | …11001101011001 |
3 | 101001020020021210 |
4 | 20211313031121 |
5 | 243400040233 |
6 | 22145253333 |
7 | 3400124355 |
oct | 1045671531 |
9 | 331206253 |
10 | 144143193 |
11 | 74401a07 |
12 | 40334249 |
13 | 23b2b13c |
14 | 15202465 |
15 | c9c4163 |
hex | 8977359 |
144143193 has 4 divisors (see below), whose sum is σ = 192190928. Its totient is φ = 96095460.
The previous prime is 144143179. The next prime is 144143227. The reversal of 144143193 is 391341441.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 144143193 - 29 = 144142681 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 144143193.
It is not an unprimeable number, because it can be changed into a prime (144143143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24023863 + ... + 24023868.
It is an arithmetic number, because the mean of its divisors is an integer number (48047732).
Almost surely, 2144143193 is an apocalyptic number.
It is an amenable number.
144143193 is a deficient number, since it is larger than the sum of its proper divisors (48047735).
144143193 is an equidigital number, since it uses as much as digits as its factorization.
144143193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48047734.
The product of its digits is 5184, while the sum is 30.
The square root of 144143193 is about 12005.9648925024. The cubic root of 144143193 is about 524.3219582406.
The spelling of 144143193 in words is "one hundred forty-four million, one hundred forty-three thousand, one hundred ninety-three".
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