Base | Representation |
---|---|
bin | 10001001110011… |
… | …10111010010111 |
3 | 101001220111001121 |
4 | 20213032322113 |
5 | 243443034143 |
6 | 22201104411 |
7 | 3403151602 |
oct | 1047167227 |
9 | 331814047 |
10 | 144502423 |
11 | 7462789a |
12 | 40488107 |
13 | 23c257c0 |
14 | 15297339 |
15 | ca457ed |
hex | 89cee97 |
144502423 has 8 divisors (see below), whose sum is σ = 155711808. Its totient is φ = 133306464.
The previous prime is 144502411. The next prime is 144502441. The reversal of 144502423 is 324205441.
It is a happy number.
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 144502423 - 29 = 144501911 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 (144502483) 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, 37461 + ... + 41137.
It is an arithmetic number, because the mean of its divisors is an integer number (19463976).
Almost surely, 2144502423 is an apocalyptic number.
144502423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
144502423 is a deficient number, since it is larger than the sum of its proper divisors (11209385).
144502423 is a wasteful number, since it uses less digits than its factorization.
144502423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6713.
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 144502423 is about 12020.9160632624. The cubic root of 144502423 is about 524.7571641878.
Adding to 144502423 its reverse (324205441), we get a palindrome (468707864).
The spelling of 144502423 in words is "one hundred forty-four million, five hundred two thousand, four hundred twenty-three".
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