Base | Representation |
---|---|
bin | 10000111101001… |
… | …11010110110111 |
3 | 100220122201001201 |
4 | 20132213112313 |
5 | 242403241010 |
6 | 22040433331 |
7 | 3345022240 |
oct | 1036472667 |
9 | 326581051 |
10 | 142243255 |
11 | 73324510 |
12 | 3b778847 |
13 | 2361440b |
14 | 14c69cc7 |
15 | c74b23a |
hex | 87a75b7 |
142243255 has 32 divisors (see below), whose sum is σ = 216857088. Its totient is φ = 86985600.
The previous prime is 142243243. The next prime is 142243279. The reversal of 142243255 is 552342241.
It is not a de Polignac number, because 142243255 - 25 = 142243223 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16920 + ... + 23890.
It is an arithmetic number, because the mean of its divisors is an integer number (6776784).
Almost surely, 2142243255 is an apocalyptic number.
142243255 is a deficient number, since it is larger than the sum of its proper divisors (74613833).
142243255 is a wasteful number, since it uses less digits than its factorization.
142243255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7047.
The product of its digits is 9600, while the sum is 28.
The square root of 142243255 is about 11926.5776734150. The cubic root of 142243255 is about 522.0080823066.
Adding to 142243255 its reverse (552342241), we get a palindrome (694585496).
The spelling of 142243255 in words is "one hundred forty-two million, two hundred forty-three thousand, two hundred fifty-five".
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