Base | Representation |
---|---|
bin | 100110001010… |
… | …001100011111 |
3 | 200211012212001 |
4 | 212022030133 |
5 | 10030100411 |
6 | 554223131 |
7 | 151011640 |
oct | 46121437 |
9 | 20735761 |
10 | 10003231 |
11 | 5712637 |
12 | 3424aa7 |
13 | 20c3194 |
14 | 14856c7 |
15 | d28dc1 |
hex | 98a31f |
10003231 has 8 divisors (see below), whose sum is σ = 11826720. Its totient is φ = 8278368.
The previous prime is 10003223. The next prime is 10003237. The reversal of 10003231 is 13230001.
10003231 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10003231 - 23 = 10003223 is a prime.
It is a super-2 number, since 2×100032312 = 200129260878722, 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 (10003237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24436 + ... + 24841.
It is an arithmetic number, because the mean of its divisors is an integer number (1478340).
Almost surely, 210003231 is an apocalyptic number.
10003231 is a deficient number, since it is larger than the sum of its proper divisors (1823489).
10003231 is an equidigital number, since it uses as much as digits as its factorization.
10003231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49313.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 10003231 is about 3162.7884848658. The cubic root of 10003231 is about 215.4666697663.
Adding to 10003231 its reverse (13230001), we get a palindrome (23233232).
The spelling of 10003231 in words is "ten million, three thousand, two hundred thirty-one".
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