Base | Representation |
---|---|
bin | 110001100010101… |
… | …101110100001110 |
3 | 2010221000112021212 |
4 | 301202231310032 |
5 | 3200240343032 |
6 | 214251054422 |
7 | 26411643245 |
oct | 6142556416 |
9 | 2127015255 |
10 | 831184142 |
11 | 3971aaa48 |
12 | 1b2441412 |
13 | 103280b49 |
14 | 7c56595c |
15 | 4ce86bb2 |
hex | 318add0e |
831184142 has 8 divisors (see below), whose sum is σ = 1250067000. Its totient is φ = 414495144.
The previous prime is 831184141. The next prime is 831184157. The reversal of 831184142 is 241481138.
It is a happy number.
831184142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 831184099 and 831184108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (831184141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547517 + ... + 549032.
It is an arithmetic number, because the mean of its divisors is an integer number (156258375).
Almost surely, 2831184142 is an apocalyptic number.
831184142 is a deficient number, since it is larger than the sum of its proper divisors (418882858).
831184142 is a wasteful number, since it uses less digits than its factorization.
831184142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1096930.
The product of its digits is 6144, while the sum is 32.
The square root of 831184142 is about 28830.2643414867. The cubic root of 831184142 is about 940.2263458250.
The spelling of 831184142 in words is "eight hundred thirty-one million, one hundred eighty-four thousand, one hundred forty-two".
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