Base | Representation |
---|---|
bin | 10000111011100… |
… | …11100111101111 |
3 | 100220020221101010 |
4 | 20131303213233 |
5 | 242330000333 |
6 | 22032120303 |
7 | 3343150356 |
oct | 1035634757 |
9 | 326227333 |
10 | 142031343 |
11 | 7319a283 |
12 | 3b696093 |
13 | 2356bb1c |
14 | 14c1299d |
15 | c708563 |
hex | 87739ef |
142031343 has 8 divisors (see below), whose sum is σ = 191657088. Its totient is φ = 93546584.
The previous prime is 142031341. The next prime is 142031353. The reversal of 142031343 is 343130241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142031343 - 21 = 142031341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142031341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284955 + ... + 285452.
It is an arithmetic number, because the mean of its divisors is an integer number (23957136).
Almost surely, 2142031343 is an apocalyptic number.
142031343 is a deficient number, since it is larger than the sum of its proper divisors (49625745).
142031343 is an equidigital number, since it uses as much as digits as its factorization.
142031343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570493.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 142031343 is about 11917.6903383164. The cubic root of 142031343 is about 521.7487267036.
Adding to 142031343 its reverse (343130241), we get a palindrome (485161584).
The spelling of 142031343 in words is "one hundred forty-two million, thirty-one thousand, three hundred forty-three".
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