Base | Representation |
---|---|
bin | 10001001111111… |
… | …101001100011101 |
3 | 202011112210222022 |
4 | 101033331030131 |
5 | 1043041123420 |
6 | 44414425525 |
7 | 10112551421 |
oct | 2117751435 |
9 | 664483868 |
10 | 289395485 |
11 | 1393a1125 |
12 | 80b022a5 |
13 | 47c57042 |
14 | 2a612b81 |
15 | 1a616c25 |
hex | 113fd31d |
289395485 has 8 divisors (see below), whose sum is σ = 347366880. Its totient is φ = 231454864.
The previous prime is 289395467. The next prime is 289395487. The reversal of 289395485 is 584593982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 289395485 - 210 = 289394461 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289395487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28406 + ... + 37224.
It is an arithmetic number, because the mean of its divisors is an integer number (43420860).
Almost surely, 2289395485 is an apocalyptic number.
It is an amenable number.
289395485 is a deficient number, since it is larger than the sum of its proper divisors (57971395).
289395485 is an equidigital number, since it uses as much as digits as its factorization.
289395485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15387.
The product of its digits is 3110400, while the sum is 53.
The square root of 289395485 is about 17011.6279350331. The cubic root of 289395485 is about 661.4503497023.
The spelling of 289395485 in words is "two hundred eighty-nine million, three hundred ninety-five thousand, four hundred eighty-five".
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