Base | Representation |
---|---|
bin | 10011000100000001111111 |
3 | 100101212221020 |
4 | 103010001333 |
5 | 2234402442 |
6 | 255035223 |
7 | 60322143 |
oct | 23040177 |
9 | 10355836 |
10 | 4997247 |
11 | 2903562 |
12 | 180bb13 |
13 | 105c768 |
14 | 941223 |
15 | 68a9ec |
hex | 4c407f |
4997247 has 8 divisors (see below), whose sum is σ = 7013760. Its totient is φ = 3156120.
The previous prime is 4997243. The next prime is 4997273. The reversal of 4997247 is 7427994.
4997247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4997247 - 22 = 4997243 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 4997199 and 4997208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4997243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43779 + ... + 43892.
It is an arithmetic number, because the mean of its divisors is an integer number (876720).
Almost surely, 24997247 is an apocalyptic number.
4997247 is a deficient number, since it is larger than the sum of its proper divisors (2016513).
4997247 is a wasteful number, since it uses less digits than its factorization.
4997247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87693.
The product of its digits is 127008, while the sum is 42.
The square root of 4997247 is about 2235.4523032264. The cubic root of 4997247 is about 170.9662051474.
The spelling of 4997247 in words is "four million, nine hundred ninety-seven thousand, two hundred forty-seven".
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