Base | Representation |
---|---|
bin | 100110010110… |
… | …1100000001111 |
3 | 1101211122210220 |
4 | 1030231200033 |
5 | 20121444302 |
6 | 1555002423 |
7 | 332632530 |
oct | 114554017 |
9 | 41748726 |
10 | 20109327 |
11 | 10395487 |
12 | 6899413 |
13 | 4221114 |
14 | 2956687 |
15 | 1b734bc |
hex | 132d80f |
20109327 has 8 divisors (see below), whose sum is σ = 30642816. Its totient is φ = 11491032.
The previous prime is 20109319. The next prime is 20109343. The reversal of 20109327 is 72390102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20109327 - 23 = 20109319 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20109297 and 20109306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20109377) 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, 478773 + ... + 478814.
It is an arithmetic number, because the mean of its divisors is an integer number (3830352).
Almost surely, 220109327 is an apocalyptic number.
20109327 is a deficient number, since it is larger than the sum of its proper divisors (10533489).
20109327 is an equidigital number, since it uses as much as digits as its factorization.
20109327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 957597.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 20109327 is about 4484.3424267110. The cubic root of 20109327 is about 271.9354617281.
Adding to 20109327 its reverse (72390102), we get a palindrome (92499429).
The spelling of 20109327 in words is "twenty million, one hundred nine thousand, three hundred twenty-seven".
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