Base | Representation |
---|---|
bin | 10000111011100… |
… | …01101011110101 |
3 | 100220020112111102 |
4 | 20131301223311 |
5 | 242324222123 |
6 | 22032015445 |
7 | 3343115300 |
oct | 1035615365 |
9 | 326215442 |
10 | 142023413 |
11 | 73194324 |
12 | 3b691585 |
13 | 2356832c |
14 | 14c0db37 |
15 | c706028 |
hex | 8771af5 |
142023413 has 12 divisors (see below), whose sum is σ = 172395360. Its totient is φ = 116440632.
The previous prime is 142023397. The next prime is 142023439. The reversal of 142023413 is 314320241.
It is not a de Polignac number, because 142023413 - 24 = 142023397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142025413) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61883 + ... + 64136.
It is an arithmetic number, because the mean of its divisors is an integer number (14366280).
Almost surely, 2142023413 is an apocalyptic number.
It is an amenable number.
142023413 is a deficient number, since it is larger than the sum of its proper divisors (30371947).
142023413 is a wasteful number, since it uses less digits than its factorization.
142023413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126056 (or 126049 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 142023413 is about 11917.3576349793. The cubic root of 142023413 is about 521.7390163014.
Adding to 142023413 its reverse (314320241), we get a palindrome (456343654).
The spelling of 142023413 in words is "one hundred forty-two million, twenty-three thousand, four hundred thirteen".
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