Base | Representation |
---|---|
bin | 10001001110000… |
… | …00111011000010 |
3 | 101001210120110100 |
4 | 20213000323002 |
5 | 243434220442 |
6 | 22155543230 |
7 | 3402522543 |
oct | 1047007302 |
9 | 331716410 |
10 | 144445122 |
11 | 74598838 |
12 | 4045ab16 |
13 | 23c056b3 |
14 | 152804ca |
15 | ca3384c |
hex | 89c0ec2 |
144445122 has 12 divisors (see below), whose sum is σ = 312964470. Its totient is φ = 48148368.
The previous prime is 144445121. The next prime is 144445153. The reversal of 144445122 is 221544441.
144445122 is a `hidden beast` number, since 144 + 4 + 4 + 512 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 122345721 + 22099401 = 11061^2 + 4701^2 .
It is not an unprimeable number, because it can be changed into a prime (144445121) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 4012347 + ... + 4012382.
Almost surely, 2144445122 is an apocalyptic number.
144445122 is an abundant number, since it is smaller than the sum of its proper divisors (168519348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144445122 is a wasteful number, since it uses less digits than its factorization.
144445122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8024737 (or 8024734 counting only the distinct ones).
The product of its digits is 5120, while the sum is 27.
The square root of 144445122 is about 12018.5324395285. The cubic root of 144445122 is about 524.6877926044.
Adding to 144445122 its reverse (221544441), we get a palindrome (365989563).
The spelling of 144445122 in words is "one hundred forty-four million, four hundred forty-five thousand, one hundred twenty-two".
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