Base | Representation |
---|---|
bin | 110101010001… |
… | …0110110111001 |
3 | 1221112222210222 |
4 | 1222202312321 |
5 | 24122230131 |
6 | 2434345425 |
7 | 456254456 |
oct | 152426671 |
9 | 57488728 |
10 | 27930041 |
11 | 14847287 |
12 | 942b275 |
13 | 5a2ba69 |
14 | 39d082d |
15 | 26ba87b |
hex | 1aa2db9 |
27930041 has 2 divisors, whose sum is σ = 27930042. Its totient is φ = 27930040.
The previous prime is 27930037. The next prime is 27930043. The reversal of 27930041 is 14003972.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26419600 + 1510441 = 5140^2 + 1229^2 .
It is a cyclic number.
It is not a de Polignac number, because 27930041 - 22 = 27930037 is a prime.
It is a Sophie Germain prime.
Together with 27930043, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (27930043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13965020 + 13965021.
It is an arithmetic number, because the mean of its divisors is an integer number (13965021).
Almost surely, 227930041 is an apocalyptic number.
It is an amenable number.
27930041 is a deficient number, since it is larger than the sum of its proper divisors (1).
27930041 is an equidigital number, since it uses as much as digits as its factorization.
27930041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 27930041 is about 5284.8879836757. The cubic root of 27930041 is about 303.4057854009.
The spelling of 27930041 in words is "twenty-seven million, nine hundred thirty thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •