Base | Representation |
---|---|
bin | 1011111011010… |
… | …1001001111001 |
3 | 10111010112111210 |
4 | 2332311021321 |
5 | 100301300311 |
6 | 4544113333 |
7 | 1145130501 |
oct | 276651171 |
9 | 114115453 |
10 | 50025081 |
11 | 26268647 |
12 | 14905849 |
13 | a496952 |
14 | 6902a01 |
15 | 45d23a6 |
hex | 2fb5279 |
50025081 has 16 divisors (see below), whose sum is σ = 71264000. Its totient is φ = 31120848.
The previous prime is 50025077. The next prime is 50025121. The reversal of 50025081 is 18052005.
It is not a de Polignac number, because 50025081 - 22 = 50025077 is a prime.
It is a super-2 number, since 2×500250812 = 5005017458113122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50025181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2731 + ... + 10368.
It is an arithmetic number, because the mean of its divisors is an integer number (4454000).
Almost surely, 250025081 is an apocalyptic number.
It is an amenable number.
50025081 is a deficient number, since it is larger than the sum of its proper divisors (21238919).
50025081 is a wasteful number, since it uses less digits than its factorization.
50025081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13188.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 50025081 is about 7072.8410840341. The cubic root of 50025081 is about 368.4647390297.
Adding to 50025081 its reverse (18052005), we get a palindrome (68077086).
The spelling of 50025081 in words is "fifty million, twenty-five thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •