Base | Representation |
---|---|
bin | 100111010011… |
… | …011011111111 |
3 | 201101110101011 |
4 | 213103123333 |
5 | 10114200411 |
6 | 1004500051 |
7 | 153401401 |
oct | 47233377 |
9 | 21343334 |
10 | 10303231 |
11 | 58a7a74 |
12 | 354a627 |
13 | 21998b3 |
14 | 1522b71 |
15 | d87c21 |
hex | 9d36ff |
10303231 has 4 divisors (see below), whose sum is σ = 10310464. Its totient is φ = 10296000.
The previous prime is 10303217. The next prime is 10303247. The reversal of 10303231 is 13230301.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 10303231 - 213 = 10295039 is a prime.
It is a super-2 number, since 2×103032312 = 212313138078722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10303211) 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, 690 + ... + 4591.
It is an arithmetic number, because the mean of its divisors is an integer number (2577616).
Almost surely, 210303231 is an apocalyptic number.
10303231 is a deficient number, since it is larger than the sum of its proper divisors (7233).
10303231 is an equidigital number, since it uses as much as digits as its factorization.
10303231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7232.
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 10303231 is about 3209.8646388906. The cubic root of 10303231 is about 217.5994595102.
Adding to 10303231 its reverse (13230301), we get a palindrome (23533532).
The spelling of 10303231 in words is "ten million, three hundred three thousand, two hundred thirty-one".
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