Base | Representation |
---|---|
bin | 11111001110010… |
… | …010111011001111 |
3 | 1100111200220002002 |
4 | 133032102323033 |
5 | 2033100404411 |
6 | 123551422515 |
7 | 15660401624 |
oct | 3716227317 |
9 | 1314626062 |
10 | 523841231 |
11 | 249770741 |
12 | 127524a3b |
13 | 846b1a34 |
14 | 4d80034b |
15 | 30ec733b |
hex | 1f392ecf |
523841231 has 4 divisors (see below), whose sum is σ = 523993200. Its totient is φ = 523689264.
The previous prime is 523841203. The next prime is 523841243. The reversal of 523841231 is 132148325.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 523841231 - 26 = 523841167 is a prime.
It is a super-2 number, since 2×5238412312 = 548819270591190722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 523841194 and 523841203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (523841251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70691 + ... + 77748.
It is an arithmetic number, because the mean of its divisors is an integer number (130998300).
Almost surely, 2523841231 is an apocalyptic number.
523841231 is a deficient number, since it is larger than the sum of its proper divisors (151969).
523841231 is a wasteful number, since it uses less digits than its factorization.
523841231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151968.
The product of its digits is 5760, while the sum is 29.
The square root of 523841231 is about 22887.5780938045. The cubic root of 523841231 is about 806.1203648233.
Adding to 523841231 its reverse (132148325), we get a palindrome (655989556).
The spelling of 523841231 in words is "five hundred twenty-three million, eight hundred forty-one thousand, two hundred thirty-one".
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