Base | Representation |
---|---|
bin | 10000111011011… |
… | …11011100100011 |
3 | 100220020001220210 |
4 | 20131233130203 |
5 | 242323423433 |
6 | 22031505203 |
7 | 3343046460 |
oct | 1035573443 |
9 | 326201823 |
10 | 142014243 |
11 | 73188448 |
12 | 3b688203 |
13 | 235640c7 |
14 | 14c0a667 |
15 | c703463 |
hex | 876f723 |
142014243 has 16 divisors (see below), whose sum is σ = 229132800. Its totient is φ = 76377216.
The previous prime is 142014241. The next prime is 142014269. The reversal of 142014243 is 342410241.
It is not a de Polignac number, because 142014243 - 21 = 142014241 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (142014241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198543 + ... + 199256.
It is an arithmetic number, because the mean of its divisors is an integer number (14320800).
Almost surely, 2142014243 is an apocalyptic number.
142014243 is a deficient number, since it is larger than the sum of its proper divisors (87118557).
142014243 is a wasteful number, since it uses less digits than its factorization.
142014243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397826.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 142014243 is about 11916.9728958322. The cubic root of 142014243 is about 521.7277870502.
Adding to 142014243 its reverse (342410241), we get a palindrome (484424484).
The spelling of 142014243 in words is "one hundred forty-two million, fourteen thousand, two hundred forty-three".
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