Base | Representation |
---|---|
bin | 10000111100011… |
… | …10111011111110 |
3 | 100220110121212002 |
4 | 20132032323332 |
5 | 242342040410 |
6 | 22034342302 |
7 | 3344124515 |
oct | 1036167376 |
9 | 326417762 |
10 | 142143230 |
11 | 73266349 |
12 | 3b72a992 |
13 | 235aaa28 |
14 | 14c4167c |
15 | c72b7a5 |
hex | 878eefe |
142143230 has 16 divisors (see below), whose sum is σ = 256623120. Its totient is φ = 56687232.
The previous prime is 142143223. The next prime is 142143241. The reversal of 142143230 is 32341241.
142143230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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, 17720 + ... + 24459.
It is an arithmetic number, because the mean of its divisors is an integer number (16038945).
Almost surely, 2142143230 is an apocalyptic number.
142143230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142143230 is a deficient number, since it is larger than the sum of its proper divisors (114479890).
142143230 is a wasteful number, since it uses less digits than its factorization.
142143230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42523.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 142143230 is about 11922.3835704107. The cubic root of 142143230 is about 521.8856954792.
Adding to 142143230 its reverse (32341241), we get a palindrome (174484471).
The spelling of 142143230 in words is "one hundred forty-two million, one hundred forty-three thousand, two hundred thirty".
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