Base | Representation |
---|---|
bin | 100111000100… |
… | …110101100111 |
3 | 201021102100100 |
4 | 213010311213 |
5 | 10110242211 |
6 | 1003315143 |
7 | 153032142 |
oct | 47046547 |
9 | 21242310 |
10 | 10243431 |
11 | 5867050 |
12 | 351bab3 |
13 | 2178603 |
14 | 1509059 |
15 | d75156 |
hex | 9c4d67 |
10243431 has 24 divisors (see below), whose sum is σ = 16308864. Its totient is φ = 6143760.
The previous prime is 10243427. The next prime is 10243447. The reversal of 10243431 is 13434201.
It is not a de Polignac number, because 10243431 - 22 = 10243427 is a prime.
It is a super-2 number, since 2×102434312 = 209855757303522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10243411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10110 + ... + 11076.
It is an arithmetic number, because the mean of its divisors is an integer number (679536).
Almost surely, 210243431 is an apocalyptic number.
10243431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10243431 is a deficient number, since it is larger than the sum of its proper divisors (6065433).
10243431 is a wasteful number, since it uses less digits than its factorization.
10243431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1091 (or 1088 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 10243431 is about 3200.5360488518. The cubic root of 10243431 is about 217.1776596580.
Adding to 10243431 its reverse (13434201), we get a palindrome (23677632).
The spelling of 10243431 in words is "ten million, two hundred forty-three thousand, four hundred thirty-one".
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