Base | Representation |
---|---|
bin | 1011111111101… |
… | …1111100100111 |
3 | 10111200021021021 |
4 | 2333323330213 |
5 | 100340040142 |
6 | 4554232011 |
7 | 1150446046 |
oct | 277737447 |
9 | 114607237 |
10 | 50315047 |
11 | 26446492 |
12 | 14a25607 |
13 | a568923 |
14 | 697a55d |
15 | 463d267 |
hex | 2ffbf27 |
50315047 has 4 divisors (see below), whose sum is σ = 50423256. Its totient is φ = 50206840.
The previous prime is 50315011. The next prime is 50315071. The reversal of 50315047 is 74051305.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74051305 = 5 ⋅14810261.
It is a cyclic number.
It is not a de Polignac number, because 50315047 - 27 = 50314919 is a prime.
It is a super-3 number, since 3×503150473 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50315747) 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, 53404 + ... + 54337.
It is an arithmetic number, because the mean of its divisors is an integer number (12605814).
Almost surely, 250315047 is an apocalyptic number.
50315047 is a deficient number, since it is larger than the sum of its proper divisors (108209).
50315047 is a wasteful number, since it uses less digits than its factorization.
50315047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108208.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 50315047 is about 7093.3100171923. The cubic root of 50315047 is about 369.1752924341.
The spelling of 50315047 in words is "fifty million, three hundred fifteen thousand, forty-seven".
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