Base | Representation |
---|---|
bin | 10001001101000… |
… | …00011100110000 |
3 | 101001112211000001 |
4 | 20212200130300 |
5 | 243420441422 |
6 | 22153035344 |
7 | 3401430010 |
oct | 1046403460 |
9 | 331484001 |
10 | 144312112 |
11 | 7450790a |
12 | 403b5b54 |
13 | 23b89ca9 |
14 | 15247c40 |
15 | ca09227 |
hex | 89a0730 |
144312112 has 40 divisors (see below), whose sum is σ = 324979200. Its totient is φ = 60796992.
The previous prime is 144312079. The next prime is 144312139. The reversal of 144312112 is 211213441.
It is a self number, because there is not a number n which added to its sum of digits gives 144312112.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312 + ... + 17527.
It is an arithmetic number, because the mean of its divisors is an integer number (8124480).
Almost surely, 2144312112 is an apocalyptic number.
It is an amenable number.
144312112 is an abundant number, since it is smaller than the sum of its proper divisors (180667088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144312112 is a wasteful number, since it uses less digits than its factorization.
144312112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21913 (or 21907 counting only the distinct ones).
The product of its digits is 192, while the sum is 19.
The square root of 144312112 is about 12012.9976275699. The cubic root of 144312112 is about 524.5266930011.
Adding to 144312112 its reverse (211213441), we get a palindrome (355525553).
The spelling of 144312112 in words is "one hundred forty-four million, three hundred twelve thousand, one hundred twelve".
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