Base | Representation |
---|---|
bin | 11111101101111… |
… | …110110000011111 |
3 | 1101002022212202201 |
4 | 133231332300133 |
5 | 2042212202411 |
6 | 124445432331 |
7 | 16121114440 |
oct | 3755766037 |
9 | 1332285681 |
10 | 532147231 |
11 | 253424100 |
12 | 12a26b6a7 |
13 | 8632c525 |
14 | 509632c7 |
15 | 31ab83c1 |
hex | 1fb7ec1f |
532147231 has 48 divisors (see below), whose sum is σ = 720966400. Its totient is φ = 383201280.
The previous prime is 532147219. The next prime is 532147237. The reversal of 532147231 is 132741235.
It is not a de Polignac number, because 532147231 - 215 = 532114463 is a prime.
It is a super-2 number, since 2×5321472312 = 566361350921934722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 532147231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (532147237) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 691615 + ... + 692383.
Almost surely, 2532147231 is an apocalyptic number.
532147231 is a deficient number, since it is larger than the sum of its proper divisors (188819169).
532147231 is a wasteful number, since it uses less digits than its factorization.
532147231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 860 (or 849 counting only the distinct ones).
The product of its digits is 5040, while the sum is 28.
The square root of 532147231 is about 23068.3166052489. The cubic root of 532147231 is about 810.3586436998.
Adding to 532147231 its reverse (132741235), we get a palindrome (664888466).
The spelling of 532147231 in words is "five hundred thirty-two million, one hundred forty-seven thousand, two hundred thirty-one".
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