Base | Representation |
---|---|
bin | 1011111111100… |
… | …1011110010001 |
3 | 10111122202100221 |
4 | 2333321132101 |
5 | 100334224123 |
6 | 4554113041 |
7 | 1150404361 |
oct | 277713621 |
9 | 114582327 |
10 | 50304913 |
11 | 2643990a |
12 | 14a1b781 |
13 | a564129 |
14 | 69769a1 |
15 | 463a25d |
hex | 2ff9791 |
50304913 has 4 divisors (see below), whose sum is σ = 52952560. Its totient is φ = 47657268.
The previous prime is 50304857. The next prime is 50304929. The reversal of 50304913 is 31940305.
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: 31940305 = 5 ⋅6388061.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-50304913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50304953) 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, 1323795 + ... + 1323832.
It is an arithmetic number, because the mean of its divisors is an integer number (13238140).
Almost surely, 250304913 is an apocalyptic number.
It is an amenable number.
50304913 is a deficient number, since it is larger than the sum of its proper divisors (2647647).
50304913 is a wasteful number, since it uses less digits than its factorization.
50304913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2647646.
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 50304913 is about 7092.5956461651. The cubic root of 50304913 is about 369.1505054579.
The spelling of 50304913 in words is "fifty million, three hundred four thousand, nine hundred thirteen".
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