Base | Representation |
---|---|
bin | 11111101001101… |
… | …100010110010101 |
3 | 1101000012202221220 |
4 | 133221230112111 |
5 | 2041420221003 |
6 | 124405400553 |
7 | 16105423515 |
oct | 3751542625 |
9 | 1330182856 |
10 | 531023253 |
11 | 2528266a2 |
12 | 129a09159 |
13 | 86027a57 |
14 | 5074d845 |
15 | 31945353 |
hex | 1fa6c595 |
531023253 has 4 divisors (see below), whose sum is σ = 708031008. Its totient is φ = 354015500.
The previous prime is 531023219. The next prime is 531023279. The reversal of 531023253 is 352320135.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 531023253 - 26 = 531023189 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531023653) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88503873 + ... + 88503878.
It is an arithmetic number, because the mean of its divisors is an integer number (177007752).
Almost surely, 2531023253 is an apocalyptic number.
It is an amenable number.
531023253 is a deficient number, since it is larger than the sum of its proper divisors (177007755).
531023253 is a wasteful number, since it uses less digits than its factorization.
531023253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177007754.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 531023253 is about 23043.9417852068. The cubic root of 531023253 is about 809.7877069011.
Adding to 531023253 its reverse (352320135), we get a palindrome (883343388).
The spelling of 531023253 in words is "five hundred thirty-one million, twenty-three thousand, two hundred fifty-three".
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