Base | Representation |
---|---|
bin | 1101101101000… |
… | …1001111111111 |
3 | 11000011021222222 |
4 | 3123101033333 |
5 | 104203331231 |
6 | 5411555555 |
7 | 1265400506 |
oct | 333211777 |
9 | 130137888 |
10 | 57480191 |
11 | 2a49a79a |
12 | 172bbbbb |
13 | bba7062 |
14 | 78c383d |
15 | 50a627b |
hex | 36d13ff |
57480191 has 2 divisors, whose sum is σ = 57480192. Its totient is φ = 57480190.
The previous prime is 57480173. The next prime is 57480193. The reversal of 57480191 is 19108475.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 57480191 - 218 = 57218047 is a prime.
It is a Sophie Germain prime.
Together with 57480193, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57480193) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28740095 + 28740096.
It is an arithmetic number, because the mean of its divisors is an integer number (28740096).
Almost surely, 257480191 is an apocalyptic number.
57480191 is a deficient number, since it is larger than the sum of its proper divisors (1).
57480191 is an equidigital number, since it uses as much as digits as its factorization.
57480191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 35.
The square root of 57480191 is about 7581.5691647574. The cubic root of 57480191 is about 385.9278033515.
The spelling of 57480191 in words is "fifty-seven million, four hundred eighty thousand, one hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •