Base | Representation |
---|---|
bin | 1101101100111… |
… | …1010011110001 |
3 | 11000010220002112 |
4 | 3123033103301 |
5 | 104203102431 |
6 | 5411455105 |
7 | 1265335361 |
oct | 333172361 |
9 | 130126075 |
10 | 57472241 |
11 | 2a494822 |
12 | 172b7495 |
13 | bba3558 |
14 | 78c09a1 |
15 | 50a3c2b |
hex | 36cf4f1 |
57472241 has 2 divisors, whose sum is σ = 57472242. Its totient is φ = 57472240.
The previous prime is 57472231. The next prime is 57472279. The reversal of 57472241 is 14227475.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 52200625 + 5271616 = 7225^2 + 2296^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57472241 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 57472198 and 57472207.
It is not a weakly prime, because it can be changed into another prime (57472231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28736120 + 28736121.
It is an arithmetic number, because the mean of its divisors is an integer number (28736121).
Almost surely, 257472241 is an apocalyptic number.
It is an amenable number.
57472241 is a deficient number, since it is larger than the sum of its proper divisors (1).
57472241 is an equidigital number, since it uses as much as digits as its factorization.
57472241 is an evil number, because the sum of its binary digits is even.
The product of its digits is 15680, while the sum is 32.
The square root of 57472241 is about 7581.0448488319. The cubic root of 57472241 is about 385.9100101637.
The spelling of 57472241 in words is "fifty-seven million, four hundred seventy-two thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •