Base | Representation |
---|---|
bin | 1101110101011… |
… | …1000011111001 |
3 | 11001012010211121 |
4 | 3131113003321 |
5 | 104323401111 |
6 | 5431425241 |
7 | 1303142443 |
oct | 335270371 |
9 | 131163747 |
10 | 58028281 |
11 | 2a834563 |
12 | 17525221 |
13 | c03967c |
14 | 79c7493 |
15 | 5163871 |
hex | 37570f9 |
58028281 has 2 divisors, whose sum is σ = 58028282. Its totient is φ = 58028280.
The previous prime is 58028273. The next prime is 58028303. The reversal of 58028281 is 18282085.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 57517056 + 511225 = 7584^2 + 715^2 .
It is a cyclic number.
It is not a de Polignac number, because 58028281 - 23 = 58028273 is a prime.
It is a super-2 number, since 2×580282812 = 6734562791629922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (58028381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29014140 + 29014141.
It is an arithmetic number, because the mean of its divisors is an integer number (29014141).
Almost surely, 258028281 is an apocalyptic number.
It is an amenable number.
58028281 is a deficient number, since it is larger than the sum of its proper divisors (1).
58028281 is an equidigital number, since it uses as much as digits as its factorization.
58028281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10240, while the sum is 34.
The square root of 58028281 is about 7617.6296181949. The cubic root of 58028281 is about 387.1505689329.
The spelling of 58028281 in words is "fifty-eight million, twenty-eight thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •