Base | Representation |
---|---|
bin | 11101100101000… |
… | …01101000110101 |
3 | 122021220002220001 |
4 | 32302201220311 |
5 | 1002010013010 |
6 | 40342111301 |
7 | 6102015301 |
oct | 1662415065 |
9 | 567802801 |
10 | 248126005 |
11 | 118073816 |
12 | 6b11b531 |
13 | 3c53772a |
14 | 24d4cd01 |
15 | 16bb3c3a |
hex | eca1a35 |
248126005 has 4 divisors (see below), whose sum is σ = 297751212. Its totient is φ = 198500800.
The previous prime is 248126003. The next prime is 248126009. The reversal of 248126005 is 500621842.
248126005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 182952676 + 65173329 = 13526^2 + 8073^2 .
It is not a de Polignac number, because 248126005 - 21 = 248126003 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 (248126003) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24812596 + ... + 24812605.
It is an arithmetic number, because the mean of its divisors is an integer number (74437803).
Almost surely, 2248126005 is an apocalyptic number.
It is an amenable number.
248126005 is a deficient number, since it is larger than the sum of its proper divisors (49625207).
248126005 is an equidigital number, since it uses as much as digits as its factorization.
248126005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49625206.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 248126005 is about 15752.0159027345. The cubic root of 248126005 is about 628.3825182873.
Adding to 248126005 its reverse (500621842), we get a palindrome (748747847).
It can be divided in two parts, 248 and 126005, that added together give a triangular number (126253 = T502).
The spelling of 248126005 in words is "two hundred forty-eight million, one hundred twenty-six thousand, five".
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