Base | Representation |
---|---|
bin | 1011111111101… |
… | …1101001010101 |
3 | 10111200012120120 |
4 | 2333323221111 |
5 | 100340020223 |
6 | 4554222153 |
7 | 1150442334 |
oct | 277735125 |
9 | 114605516 |
10 | 50313813 |
11 | 26445570 |
12 | 14a24959 |
13 | a5681b4 |
14 | 6979d1b |
15 | 463cbe3 |
hex | 2ffba55 |
50313813 has 16 divisors (see below), whose sum is σ = 73313856. Its totient is φ = 30439040.
The previous prime is 50313799. The next prime is 50313817. The reversal of 50313813 is 31831305.
It is a cyclic number.
It is not a de Polignac number, because 50313813 - 210 = 50312789 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50313817) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25345 + ... + 27257.
It is an arithmetic number, because the mean of its divisors is an integer number (4582116).
Almost surely, 250313813 is an apocalyptic number.
It is an amenable number.
50313813 is a deficient number, since it is larger than the sum of its proper divisors (23000043).
50313813 is a wasteful number, since it uses less digits than its factorization.
50313813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2724.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 50313813 is about 7093.2230332903. The cubic root of 50313813 is about 369.1722743440.
The spelling of 50313813 in words is "fifty million, three hundred thirteen thousand, eight hundred thirteen".
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