Base | Representation |
---|---|
bin | 110011111011… |
… | …1001111110001 |
3 | 1220020021120220 |
4 | 1213313033301 |
5 | 23432231441 |
6 | 2411323253 |
7 | 450266235 |
oct | 147671761 |
9 | 56207526 |
10 | 27227121 |
11 | 14407159 |
12 | 9150529 |
13 | 5843b2c |
14 | 388a5c5 |
15 | 25cc466 |
hex | 19f73f1 |
27227121 has 8 divisors (see below), whose sum is σ = 36383424. Its totient is φ = 18111120.
The previous prime is 27227093. The next prime is 27227129. The reversal of 27227121 is 12172272.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27227121 - 29 = 27226609 is a prime.
It is a super-2 number, since 2×272271212 = 1482632235897282, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 27227091 and 27227100.
It is not an unprimeable number, because it can be changed into a prime (27227129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8461 + ... + 11226.
It is an arithmetic number, because the mean of its divisors is an integer number (4547928).
Almost surely, 227227121 is an apocalyptic number.
It is an amenable number.
27227121 is a deficient number, since it is larger than the sum of its proper divisors (9156303).
27227121 is a wasteful number, since it uses less digits than its factorization.
27227121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20151.
The product of its digits is 784, while the sum is 24.
The square root of 27227121 is about 5217.9613835290. The cubic root of 27227121 is about 300.8388411876.
Adding to 27227121 its reverse (12172272), we get a palindrome (39399393).
The spelling of 27227121 in words is "twenty-seven million, two hundred twenty-seven thousand, one hundred twenty-one".
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