Base | Representation |
---|---|
bin | 10001001101000… |
… | …10001111100010 |
3 | 101001120012002010 |
4 | 20212202033202 |
5 | 243421210313 |
6 | 22153133350 |
7 | 3401460303 |
oct | 1046421742 |
9 | 331505063 |
10 | 144319458 |
11 | 74512388 |
12 | 403ba256 |
13 | 23b9043a |
14 | 1524a7aa |
15 | ca0b4c3 |
hex | 89a23e2 |
144319458 has 16 divisors (see below), whose sum is σ = 290552256. Its totient is φ = 47787600.
The previous prime is 144319451. The next prime is 144319471. The reversal of 144319458 is 854913441.
It is not an unprimeable number, because it can be changed into a prime (144319451) 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, 78741 + ... + 80552.
It is an arithmetic number, because the mean of its divisors is an integer number (18159516).
Almost surely, 2144319458 is an apocalyptic number.
144319458 is an abundant number, since it is smaller than the sum of its proper divisors (146232798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144319458 is a wasteful number, since it uses less digits than its factorization.
144319458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159449.
The product of its digits is 69120, while the sum is 39.
The square root of 144319458 is about 12013.3033758413. The cubic root of 144319458 is about 524.5355929418.
The spelling of 144319458 in words is "one hundred forty-four million, three hundred nineteen thousand, four hundred fifty-eight".
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