Base | Representation |
---|---|
bin | 10001001110100… |
… | …01100110001111 |
3 | 101001221001011000 |
4 | 20213101212033 |
5 | 243443412143 |
6 | 22201231343 |
7 | 3403225635 |
oct | 1047214617 |
9 | 331831130 |
10 | 144513423 |
11 | 7463508a |
12 | 40492553 |
13 | 23c2a802 |
14 | 1529b355 |
15 | ca48bd3 |
hex | 89d198f |
144513423 has 8 divisors (see below), whose sum is σ = 214094000. Its totient is φ = 96342264.
The previous prime is 144513403. The next prime is 144513431. The reversal of 144513423 is 324315441.
It is a happy number.
144513423 is a `hidden beast` number, since 144 + 513 + 4 + 2 + 3 = 666.
144513423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144513423 - 26 = 144513359 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5352349 = 144513423 / (1 + 4 + 4 + 5 + 1 + 3 + 4 + 2 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144513403) 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, 2676148 + ... + 2676201.
It is an arithmetic number, because the mean of its divisors is an integer number (26761750).
Almost surely, 2144513423 is an apocalyptic number.
144513423 is a deficient number, since it is larger than the sum of its proper divisors (69580577).
144513423 is an equidigital number, since it uses as much as digits as its factorization.
144513423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5352358 (or 5352352 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 144513423 is about 12021.3735904014. The cubic root of 144513423 is about 524.7704792640.
Adding to 144513423 its reverse (324315441), we get a palindrome (468828864).
The spelling of 144513423 in words is "one hundred forty-four million, five hundred thirteen thousand, four hundred twenty-three".
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