Base | Representation |
---|---|
bin | 11101100101001… |
… | …10001001100101 |
3 | 122021221001020111 |
4 | 32302212021211 |
5 | 1002011110420 |
6 | 40342333021 |
7 | 6102123211 |
oct | 1662461145 |
9 | 567831214 |
10 | 248144485 |
11 | 118086696 |
12 | 6b12a171 |
13 | 3c542c74 |
14 | 24d55941 |
15 | 16bb945a |
hex | eca6265 |
248144485 has 8 divisors (see below), whose sum is σ = 298348056. Its totient is φ = 198132480.
The previous prime is 248144441. The next prime is 248144489. The reversal of 248144485 is 584441842.
248144485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 743044 + 247401441 = 862^2 + 15729^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 248144485 - 217 = 248013413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248144489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45024 + ... + 50233.
It is an arithmetic number, because the mean of its divisors is an integer number (37293507).
Almost surely, 2248144485 is an apocalyptic number.
It is an amenable number.
248144485 is a deficient number, since it is larger than the sum of its proper divisors (50203571).
248144485 is an equidigital number, since it uses as much as digits as its factorization.
248144485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95783.
The product of its digits is 163840, while the sum is 40.
The square root of 248144485 is about 15752.6024833994. The cubic root of 248144485 is about 628.3981181847.
The spelling of 248144485 in words is "two hundred forty-eight million, one hundred forty-four thousand, four hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •