Base | Representation |
---|---|
bin | 10011111101001001101101 |
3 | 100211202212122 |
4 | 103331021231 |
5 | 2314344323 |
6 | 304042325 |
7 | 62315231 |
oct | 23751155 |
9 | 10752778 |
10 | 5231213 |
11 | 2a53319 |
12 | 19033a5 |
13 | 11120c0 |
14 | 9a25c1 |
15 | 6d4ec8 |
hex | 4fd26d |
5231213 has 8 divisors (see below), whose sum is σ = 5930400. Its totient is φ = 4574448.
The previous prime is 5231207. The next prime is 5231263. The reversal of 5231213 is 3121325.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5231213 - 24 = 5231197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 5231191 and 5231200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5231203) 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, 10343 + ... + 10836.
It is an arithmetic number, because the mean of its divisors is an integer number (741300).
Almost surely, 25231213 is an apocalyptic number.
It is an amenable number.
5231213 is a deficient number, since it is larger than the sum of its proper divisors (699187).
5231213 is a wasteful number, since it uses less digits than its factorization.
5231213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21211.
The product of its digits is 180, while the sum is 17.
The square root of 5231213 is about 2287.1845137636. The cubic root of 5231213 is about 173.5937698182.
Adding to 5231213 its reverse (3121325), we get a palindrome (8352538).
It can be divided in two parts, 52312 and 13, that added together give a palindrome (52325).
The spelling of 5231213 in words is "five million, two hundred thirty-one thousand, two hundred thirteen".
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