Base | Representation |
---|---|
bin | 1100001011011… |
… | …0101101110010 |
3 | 10120010010122201 |
4 | 3002312231302 |
5 | 101034030200 |
6 | 5022453414 |
7 | 1160113300 |
oct | 302665562 |
9 | 116103581 |
10 | 51080050 |
11 | 2691921a |
12 | 1513426a |
13 | a775ba8 |
14 | 6ad9270 |
15 | 473ec6a |
hex | 30b6b72 |
51080050 has 36 divisors (see below), whose sum is σ = 110525850. Its totient is φ = 17512320.
The previous prime is 51080047. The next prime is 51080059. The reversal of 51080050 is 5008015.
It can be written as a sum of positive squares in 3 ways, for example, as 47155689 + 3924361 = 6867^2 + 1981^2 .
It is not an unprimeable number, because it can be changed into a prime (51080059) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7975 + ... + 12874.
Almost surely, 251080050 is an apocalyptic number.
51080050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
51080050 is an abundant number, since it is smaller than the sum of its proper divisors (59445800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51080050 is a wasteful number, since it uses less digits than its factorization.
51080050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20875 (or 20863 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 51080050 is about 7147.0308520392. The cubic root of 51080050 is about 371.0369015152.
Adding to 51080050 its reverse (5008015), we get a palindrome (56088065).
The spelling of 51080050 in words is "fifty-one million, eighty thousand, fifty".
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