Base | Representation |
---|---|
bin | 100111000100… |
… | …000011100111 |
3 | 201021020221211 |
4 | 213010003213 |
5 | 10110141411 |
6 | 1003252251 |
7 | 153016621 |
oct | 47040347 |
9 | 21236854 |
10 | 10240231 |
11 | 5864701 |
12 | 351a087 |
13 | 2177011 |
14 | 1507c11 |
15 | d74221 |
hex | 9c40e7 |
10240231 has 4 divisors (see below), whose sum is σ = 10517032. Its totient is φ = 9963432.
The previous prime is 10240229. The next prime is 10240301. The reversal of 10240231 is 13204201.
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 10240231 - 21 = 10240229 is a prime.
It is a super-2 number, since 2×102402312 = 209724661866722, which contains 22 as substring.
It is a Duffinian number.
It is a nialpdrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10240211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138345 + ... + 138418.
It is an arithmetic number, because the mean of its divisors is an integer number (2629258).
Almost surely, 210240231 is an apocalyptic number.
10240231 is a deficient number, since it is larger than the sum of its proper divisors (276801).
10240231 is an equidigital number, since it uses as much as digits as its factorization.
10240231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276800.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 10240231 is about 3200.0360935464. The cubic root of 10240231 is about 217.1550422072.
Adding to 10240231 its reverse (13204201), we get a palindrome (23444432).
The spelling of 10240231 in words is "ten million, two hundred forty thousand, two hundred thirty-one".
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