Base | Representation |
---|---|
bin | 10010101101111100111101 |
3 | 100020021212211 |
4 | 102231330331 |
5 | 2224004223 |
6 | 253100421 |
7 | 56464402 |
oct | 22557475 |
9 | 10207784 |
10 | 4906813 |
11 | 285161a |
12 | 1787711 |
13 | 102a552 |
14 | 91a2a9 |
15 | 66dd0d |
hex | 4adf3d |
4906813 has 4 divisors (see below), whose sum is σ = 4915360. Its totient is φ = 4898268.
The previous prime is 4906801. The next prime is 4906819. The reversal of 4906813 is 3186094.
4906813 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3186094 = 2 ⋅1593047.
It is a cyclic number.
It is not a de Polignac number, because 4906813 - 29 = 4906301 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 (4906819) 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, 3345 + ... + 4582.
It is an arithmetic number, because the mean of its divisors is an integer number (1228840).
Almost surely, 24906813 is an apocalyptic number.
It is an amenable number.
4906813 is a deficient number, since it is larger than the sum of its proper divisors (8547).
4906813 is an equidigital number, since it uses as much as digits as its factorization.
4906813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8546.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 4906813 is about 2215.1327274003. The cubic root of 4906813 is about 169.9286090088.
The spelling of 4906813 in words is "four million, nine hundred six thousand, eight hundred thirteen".
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