Base | Representation |
---|---|
bin | 11111101011101… |
… | …000100011110111 |
3 | 1101001011121212020 |
4 | 133223220203313 |
5 | 2042033011043 |
6 | 124424324223 |
7 | 16112643021 |
oct | 3753504367 |
9 | 1331147766 |
10 | 531532023 |
11 | 253043970 |
12 | 12a013673 |
13 | 861754b9 |
14 | 50843011 |
15 | 319e5e83 |
hex | 1fae88f7 |
531532023 has 16 divisors (see below), whose sum is σ = 780368256. Its totient is φ = 319127840.
The previous prime is 531532019. The next prime is 531532051. The reversal of 531532023 is 320235135.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 531532023 - 22 = 531532019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 531531984 and 531532002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531532063) 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 15 ways as a sum of consecutive naturals, for example, 71736 + ... + 78797.
It is an arithmetic number, because the mean of its divisors is an integer number (48773016).
Almost surely, 2531532023 is an apocalyptic number.
531532023 is a deficient number, since it is larger than the sum of its proper divisors (248836233).
531532023 is a wasteful number, since it uses less digits than its factorization.
531532023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150654.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 531532023 is about 23054.9782693456. The cubic root of 531532023 is about 810.0462418350.
Adding to 531532023 its reverse (320235135), we get a palindrome (851767158).
It can be divided in two parts, 53153202 and 3, that added together give a triangular number (53153205 = T10310).
The spelling of 531532023 in words is "five hundred thirty-one million, five hundred thirty-two thousand, twenty-three".
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