Base | Representation |
---|---|
bin | 10001001101001… |
… | …11010010011011 |
3 | 101001121020102111 |
4 | 20212213102123 |
5 | 243422340443 |
6 | 22153413151 |
7 | 3401604454 |
oct | 1046472233 |
9 | 331536374 |
10 | 144340123 |
11 | 74526964 |
12 | 4040a1b7 |
13 | 23b99975 |
14 | 1525412b |
15 | ca1269d |
hex | 89a749b |
144340123 has 8 divisors (see below), whose sum is σ = 150137856. Its totient is φ = 138613800.
The previous prime is 144340109. The next prime is 144340151. The reversal of 144340123 is 321043441.
144340123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 144340123 - 225 = 110785691 is a prime.
It is a super-2 number, since 2×1443401232 = 41668142215310258, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144340094 and 144340103.
It is not an unprimeable number, because it can be changed into a prime (144340103) 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, 13711 + ... + 21832.
It is an arithmetic number, because the mean of its divisors is an integer number (18767232).
Almost surely, 2144340123 is an apocalyptic number.
144340123 is a deficient number, since it is larger than the sum of its proper divisors (5797733).
144340123 is a wasteful number, since it uses less digits than its factorization.
144340123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35705.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 144340123 is about 12014.1634332150. The cubic root of 144340123 is about 524.5606277058.
Adding to 144340123 its reverse (321043441), we get a palindrome (465383564).
The spelling of 144340123 in words is "one hundred forty-four million, three hundred forty thousand, one hundred twenty-three".
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