Base | Representation |
---|---|
bin | 1100000000100… |
… | …1110110010001 |
3 | 10111210011101002 |
4 | 3000021312101 |
5 | 100343400420 |
6 | 4555351345 |
7 | 1151104046 |
oct | 300116621 |
9 | 114704332 |
10 | 50371985 |
11 | 26485244 |
12 | 14a52555 |
13 | a588811 |
14 | 69931cd |
15 | 4650075 |
hex | 3009d91 |
50371985 has 32 divisors (see below), whose sum is σ = 66074400. Its totient is φ = 36771840.
The previous prime is 50371973. The next prime is 50371987. The reversal of 50371985 is 58917305.
It can be written as a sum of positive squares in 16 ways, for example, as 2982529 + 47389456 = 1727^2 + 6884^2 .
It is not a de Polignac number, because 50371985 - 28 = 50371729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (50371987) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219851 + ... + 220079.
It is an arithmetic number, because the mean of its divisors is an integer number (2064825).
Almost surely, 250371985 is an apocalyptic number.
It is an amenable number.
50371985 is a deficient number, since it is larger than the sum of its proper divisors (15702415).
50371985 is a wasteful number, since it uses less digits than its factorization.
50371985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 341.
The product of its (nonzero) digits is 37800, while the sum is 38.
The square root of 50371985 is about 7097.3223824200. The cubic root of 50371985 is about 369.3144965095.
The spelling of 50371985 in words is "fifty million, three hundred seventy-one thousand, nine hundred eighty-five".
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