Base | Representation |
---|---|
bin | 10001001100010… |
… | …10101110001000 |
3 | 101001101021220202 |
4 | 20212022232020 |
5 | 243410114422 |
6 | 22151111332 |
7 | 3400606355 |
oct | 1046125610 |
9 | 331337822 |
10 | 144223112 |
11 | 74456a60 |
12 | 40372548 |
13 | 23b58627 |
14 | 1522362c |
15 | c9dcb92 |
hex | 898ab88 |
144223112 has 16 divisors (see below), whose sum is σ = 295002000. Its totient is φ = 65555920.
The previous prime is 144223099. The next prime is 144223127. The reversal of 144223112 is 211322441.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819362 + ... + 819537.
It is an arithmetic number, because the mean of its divisors is an integer number (18437625).
Almost surely, 2144223112 is an apocalyptic number.
It is an amenable number.
144223112 is an abundant number, since it is smaller than the sum of its proper divisors (150778888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144223112 is a wasteful number, since it uses less digits than its factorization.
144223112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1638916 (or 1638912 counting only the distinct ones).
The product of its digits is 384, while the sum is 20.
The square root of 144223112 is about 12009.2927352113. The cubic root of 144223112 is about 524.4188423270.
Adding to 144223112 its reverse (211322441), we get a palindrome (355545553).
The spelling of 144223112 in words is "one hundred forty-four million, two hundred twenty-three thousand, one hundred twelve".
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