Base | Representation |
---|---|
bin | 100110011000… |
… | …1110111111011 |
3 | 1101212120100212 |
4 | 1030301313323 |
5 | 20123032402 |
6 | 1555221335 |
7 | 333035651 |
oct | 114616773 |
9 | 41776325 |
10 | 20127227 |
11 | 103a797a |
12 | 68a784b |
13 | 4229303 |
14 | 295cdd1 |
15 | 1b78952 |
hex | 1331dfb |
20127227 has 8 divisors (see below), whose sum is σ = 20590416. Its totient is φ = 19667232.
The previous prime is 20127203. The next prime is 20127253. The reversal of 20127227 is 72272102.
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 20127227 - 222 = 15932923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20127257) 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, 15653 + ... + 16889.
It is an arithmetic number, because the mean of its divisors is an integer number (2573802).
Almost surely, 220127227 is an apocalyptic number.
20127227 is a deficient number, since it is larger than the sum of its proper divisors (463189).
20127227 is a wasteful number, since it uses less digits than its factorization.
20127227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1597.
The product of its (nonzero) digits is 784, while the sum is 23.
The square root of 20127227 is about 4486.3378160812. The cubic root of 20127227 is about 272.0161241523.
Adding to 20127227 its reverse (72272102), we get a palindrome (92399329).
The spelling of 20127227 in words is "twenty million, one hundred twenty-seven thousand, two hundred twenty-seven".
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