Base | Representation |
---|---|
bin | 10001001110011… |
… | …11101001010000 |
3 | 101001220122011202 |
4 | 20213033221100 |
5 | 243443133144 |
6 | 22201130332 |
7 | 3403163420 |
oct | 1047175120 |
9 | 331818152 |
10 | 144505424 |
11 | 7462a078 |
12 | 404899a8 |
13 | 23c26c8b |
14 | 15298480 |
15 | ca4664e |
hex | 89cfa50 |
144505424 has 40 divisors (see below), whose sum is σ = 328633728. Its totient is φ = 60255360.
The previous prime is 144505397. The next prime is 144505441. The reversal of 144505424 is 424505441.
144505424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13292 + ... + 21579.
Almost surely, 2144505424 is an apocalyptic number.
144505424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
144505424 is an abundant number, since it is smaller than the sum of its proper divisors (184128304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144505424 is a wasteful number, since it uses less digits than its factorization.
144505424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34923 (or 34917 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 29.
The square root of 144505424 is about 12021.0408867119. The cubic root of 144505424 is about 524.7607968497.
The spelling of 144505424 in words is "one hundred forty-four million, five hundred five thousand, four hundred twenty-four".
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