Base | Representation |
---|---|
bin | 1100000011101… |
… | …0001100010000 |
3 | 10112011012222222 |
4 | 3000322030100 |
5 | 100421220000 |
6 | 5003520212 |
7 | 1152560255 |
oct | 300721420 |
9 | 115135888 |
10 | 50570000 |
11 | 265aaa98 |
12 | 14b29068 |
13 | a6279a0 |
14 | 6a0542c |
15 | 468da85 |
hex | 303a310 |
50570000 has 100 divisors (see below), whose sum is σ = 132192060. Its totient is φ = 18624000.
The previous prime is 50569999. The next prime is 50570017. The reversal of 50570000 is 7505.
It can be written as a sum of positive squares in 10 ways, for example, as 49168144 + 1401856 = 7012^2 + 1184^2 .
It is a tau number, because it is divible by the number of its divisors (100).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129806 + ... + 130194.
Almost surely, 250570000 is an apocalyptic number.
50570000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50570000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66096030).
50570000 is an abundant number, since it is smaller than the sum of its proper divisors (81622060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50570000 is a wasteful number, since it uses less digits than its factorization.
50570000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430 (or 409 counting only the distinct ones).
The product of its (nonzero) digits is 175, while the sum is 17.
The square root of 50570000 is about 7111.2586790244. The cubic root of 50570000 is about 369.7977955298.
Adding to 50570000 its reverse (7505), we get a palindrome (50577505).
The spelling of 50570000 in words is "fifty million, five hundred seventy thousand".
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