Base | Representation |
---|---|
bin | 1100011001000… |
… | …1001011100010 |
3 | 10121210121010122 |
4 | 3012101023202 |
5 | 101301144012 |
6 | 5054000242 |
7 | 1200531161 |
oct | 306211342 |
9 | 117717118 |
10 | 51974882 |
11 | 2737a553 |
12 | 154a6082 |
13 | a9ca28b |
14 | 6c8d3d8 |
15 | 4869e72 |
hex | 31912e2 |
51974882 has 16 divisors (see below), whose sum is σ = 82710072. Its totient is φ = 24410880.
The previous prime is 51974869. The next prime is 51974887. The reversal of 51974882 is 28847915.
It can be written as a sum of positive squares in 4 ways, for example, as 47183161 + 4791721 = 6869^2 + 2189^2 .
It is not an unprimeable number, because it can be changed into a prime (51974887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21032 + ... + 23372.
Almost surely, 251974882 is an apocalyptic number.
51974882 is a deficient number, since it is larger than the sum of its proper divisors (30735190).
51974882 is a wasteful number, since it uses less digits than its factorization.
51974882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3013.
The product of its digits is 161280, while the sum is 44.
The square root of 51974882 is about 7209.3607206187. The cubic root of 51974882 is about 373.1910077876.
The spelling of 51974882 in words is "fifty-one million, nine hundred seventy-four thousand, eight hundred eighty-two".
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