Base | Representation |
---|---|
bin | 11111000111110… |
… | …100001011100000 |
3 | 1100101111120202121 |
4 | 133013310023200 |
5 | 2032132024212 |
6 | 123451154024 |
7 | 15640065100 |
oct | 3707641340 |
9 | 1311446677 |
10 | 522142432 |
11 | 248810379 |
12 | 126a45914 |
13 | 84238726 |
14 | 4d4bb200 |
15 | 30c8dd07 |
hex | 1f1f42e0 |
522142432 has 144 divisors (see below), whose sum is σ = 1250357472. Its totient is φ = 213857280.
The previous prime is 522142417. The next prime is 522142451. The reversal of 522142432 is 234241225.
It is a super-3 number, since 3×5221424323 (a number of 27 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 522142397 and 522142406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5069293 + ... + 5069395.
It is an arithmetic number, because the mean of its divisors is an integer number (8683038).
Almost surely, 2522142432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 522142432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625178736).
522142432 is an abundant number, since it is smaller than the sum of its proper divisors (728215040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
522142432 is a wasteful number, since it uses less digits than its factorization.
522142432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241 (or 226 counting only the distinct ones).
The product of its digits is 3840, while the sum is 25.
The square root of 522142432 is about 22850.4361446341. The cubic root of 522142432 is about 805.2480143181.
Adding to 522142432 its reverse (234241225), we get a palindrome (756383657).
The spelling of 522142432 in words is "five hundred twenty-two million, one hundred forty-two thousand, four hundred thirty-two".
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