Base | Representation |
---|---|
bin | 10001001110100… |
… | …01010000101010 |
3 | 101001220222020212 |
4 | 20213101100222 |
5 | 243443341132 |
6 | 22201221122 |
7 | 3403221623 |
oct | 1047212052 |
9 | 331828225 |
10 | 144512042 |
11 | 74634044 |
12 | 404917a2 |
13 | 23c29cac |
14 | 1529aa4a |
15 | ca485b2 |
hex | 89d142a |
144512042 has 4 divisors (see below), whose sum is σ = 216768066. Its totient is φ = 72256020.
The previous prime is 144512021. The next prime is 144512077. The reversal of 144512042 is 240215441.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 121462441 + 23049601 = 11021^2 + 4801^2 .
It is a junction number, because it is equal to n+sod(n) for n = 144511999 and 144512017.
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 as a sum of consecutive naturals, namely, 36128009 + ... + 36128012.
Almost surely, 2144512042 is an apocalyptic number.
144512042 is a deficient number, since it is larger than the sum of its proper divisors (72256024).
144512042 is an equidigital number, since it uses as much as digits as its factorization.
144512042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72256023.
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 144512042 is about 12021.3161509046. The cubic root of 144512042 is about 524.7688076538.
Adding to 144512042 its reverse (240215441), we get a palindrome (384727483).
The spelling of 144512042 in words is "one hundred forty-four million, five hundred twelve thousand, forty-two".
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