Base | Representation |
---|---|
bin | 100110111011… |
… | …000001011111 |
3 | 201012101012110 |
4 | 212323001133 |
5 | 10103000411 |
6 | 1002405103 |
7 | 152504013 |
oct | 46730137 |
9 | 21171173 |
10 | 10203231 |
11 | 5839925 |
12 | 3500793 |
13 | 216321c |
14 | 14d8543 |
15 | d682a6 |
hex | 9bb05f |
10203231 has 8 divisors (see below), whose sum is σ = 13972144. Its totient is φ = 6618240.
The previous prime is 10203223. The next prime is 10203241. The reversal of 10203231 is 13230201.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10203231 - 23 = 10203223 is a prime.
It is a super-2 number, since 2×102032312 = 208211845678722, 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 (10203211) 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, 45850 + ... + 46071.
It is an arithmetic number, because the mean of its divisors is an integer number (1746518).
Almost surely, 210203231 is an apocalyptic number.
10203231 is a deficient number, since it is larger than the sum of its proper divisors (3768913).
10203231 is an equidigital number, since it uses as much as digits as its factorization.
10203231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91961.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 10203231 is about 3194.2496771542. The cubic root of 10203231 is about 216.8931850586.
Adding to 10203231 its reverse (13230201), we get a palindrome (23433432).
The spelling of 10203231 in words is "ten million, two hundred three thousand, two hundred thirty-one".
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