Base | Representation |
---|---|
bin | 11101100101111… |
… | …10001101011001 |
3 | 122022010001102102 |
4 | 32302332031121 |
5 | 1002022234113 |
6 | 40344413145 |
7 | 6103013423 |
oct | 1662761531 |
9 | 568101372 |
10 | 248243033 |
11 | 118143735 |
12 | 6b1771b5 |
13 | 3c578a8c |
14 | 24d7d813 |
15 | 16bd8758 |
hex | ecbe359 |
248243033 has 4 divisors (see below), whose sum is σ = 250439988. Its totient is φ = 246046080.
The previous prime is 248243003. The next prime is 248243057. The reversal of 248243033 is 330342842.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330342842 = 2 ⋅165171421.
It can be written as a sum of positive squares in 2 ways, for example, as 62520649 + 185722384 = 7907^2 + 13628^2 .
It is a cyclic number.
It is not a de Polignac number, because 248243033 - 28 = 248242777 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 248242987 and 248243005.
It is not an unprimeable number, because it can be changed into a prime (248243003) 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 3 ways as a sum of consecutive naturals, for example, 1098308 + ... + 1098533.
It is an arithmetic number, because the mean of its divisors is an integer number (62609997).
Almost surely, 2248243033 is an apocalyptic number.
It is an amenable number.
248243033 is a deficient number, since it is larger than the sum of its proper divisors (2196955).
248243033 is a wasteful number, since it uses less digits than its factorization.
248243033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2196954.
The product of its (nonzero) digits is 13824, while the sum is 29.
The square root of 248243033 is about 15755.7301639753. The cubic root of 248243033 is about 628.4812944327.
Adding to 248243033 its reverse (330342842), we get a palindrome (578585875).
The spelling of 248243033 in words is "two hundred forty-eight million, two hundred forty-three thousand, thirty-three".
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