Base | Representation |
---|---|
bin | 110011101111… |
… | …0000011100101 |
3 | 1220001001001102 |
4 | 1213132003211 |
5 | 23420431231 |
6 | 2405205445 |
7 | 446356355 |
oct | 147360345 |
9 | 56031042 |
10 | 27123941 |
11 | 14346689 |
12 | 9100885 |
13 | 5808b90 |
14 | 3860b65 |
15 | 25abacb |
hex | 19de0e5 |
27123941 has 4 divisors (see below), whose sum is σ = 29210412. Its totient is φ = 25037472.
The previous prime is 27123913. The next prime is 27123983. The reversal of 27123941 is 14932172.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 15249025 = 3446^2 + 3905^2 .
It is a cyclic number.
It is not a de Polignac number, because 27123941 - 218 = 26861797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27123991) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043216 + ... + 1043241.
It is an arithmetic number, because the mean of its divisors is an integer number (7302603).
Almost surely, 227123941 is an apocalyptic number.
It is an amenable number.
27123941 is a deficient number, since it is larger than the sum of its proper divisors (2086471).
27123941 is a wasteful number, since it uses less digits than its factorization.
27123941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2086470.
The product of its digits is 3024, while the sum is 29.
The square root of 27123941 is about 5208.0649957542. The cubic root of 27123941 is about 300.4583401319.
The spelling of 27123941 in words is "twenty-seven million, one hundred twenty-three thousand, nine hundred forty-one".
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