Base | Representation |
---|---|
bin | 1011111111101… |
… | …1111101100101 |
3 | 10111200021100120 |
4 | 2333323331211 |
5 | 100340040414 |
6 | 4554232153 |
7 | 1150446165 |
oct | 277737545 |
9 | 114607316 |
10 | 50315109 |
11 | 26446539 |
12 | 14a25659 |
13 | a568970 |
14 | 697a5a5 |
15 | 463d2a9 |
hex | 2ffbf65 |
50315109 has 8 divisors (see below), whose sum is σ = 72247392. Its totient is φ = 30963120.
The previous prime is 50315101. The next prime is 50315123. The reversal of 50315109 is 90151305.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50315109 - 23 = 50315101 is a prime.
It is a super-2 number, since 2×503151092 = 5063220387363762, which contains 22 as substring.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50315101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645027 + ... + 645104.
It is an arithmetic number, because the mean of its divisors is an integer number (9030924).
Almost surely, 250315109 is an apocalyptic number.
It is an amenable number.
50315109 is a deficient number, since it is larger than the sum of its proper divisors (21932283).
50315109 is a wasteful number, since it uses less digits than its factorization.
50315109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290147.
The product of its (nonzero) digits is 675, while the sum is 24.
The square root of 50315109 is about 7093.3143875060. The cubic root of 50315109 is about 369.1754440710.
The spelling of 50315109 in words is "fifty million, three hundred fifteen thousand, one hundred nine".
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