Base | Representation |
---|---|
bin | 1100000011000… |
… | …0101010111101 |
3 | 10112002020111201 |
4 | 3000300222331 |
5 | 100413443010 |
6 | 5003015501 |
7 | 1152335500 |
oct | 300605275 |
9 | 115066451 |
10 | 50531005 |
11 | 26583768 |
12 | 14b0a591 |
13 | a613005 |
14 | 69d5137 |
15 | 468223a |
hex | 3030abd |
50531005 has 12 divisors (see below), whose sum is σ = 70537500. Its totient is φ = 34649664.
The previous prime is 50531003. The next prime is 50531009. The reversal of 50531005 is 50013505.
It can be written as a sum of positive squares in 2 ways, for example, as 30272004 + 20259001 = 5502^2 + 4501^2 .
It is not a de Polignac number, because 50531005 - 21 = 50531003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50531003) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102880 + ... + 103369.
It is an arithmetic number, because the mean of its divisors is an integer number (5878125).
Almost surely, 250531005 is an apocalyptic number.
It is an amenable number.
50531005 is a deficient number, since it is larger than the sum of its proper divisors (20006495).
50531005 is a wasteful number, since it uses less digits than its factorization.
50531005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206268 (or 206261 counting only the distinct ones).
The product of its (nonzero) digits is 375, while the sum is 19.
The square root of 50531005 is about 7108.5163712268. The cubic root of 50531005 is about 369.7027195746.
The spelling of 50531005 in words is "fifty million, five hundred thirty-one thousand, five".
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