Base | Representation |
---|---|
bin | 1100001000000… |
… | …1111111010001 |
3 | 10112201011101212 |
4 | 3002001333101 |
5 | 101010122311 |
6 | 5014105505 |
7 | 1155223532 |
oct | 302017721 |
9 | 115634355 |
10 | 50864081 |
11 | 26790a34 |
12 | 1504b295 |
13 | a6cb7b8 |
14 | 6a80689 |
15 | 46eac8b |
hex | 3081fd1 |
50864081 has 4 divisors (see below), whose sum is σ = 50878464. Its totient is φ = 50849700.
The previous prime is 50864069. The next prime is 50864101. The reversal of 50864081 is 18046805.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 50864081 - 218 = 50601937 is a prime.
It is a super-2 number, since 2×508640812 = 5174309471949122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50864041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216 + ... + 10326.
It is an arithmetic number, because the mean of its divisors is an integer number (12719616).
Almost surely, 250864081 is an apocalyptic number.
It is an amenable number.
50864081 is a deficient number, since it is larger than the sum of its proper divisors (14383).
50864081 is an equidigital number, since it uses as much as digits as its factorization.
50864081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14382.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 50864081 is about 7131.9058462658. The cubic root of 50864081 is about 370.5132419566.
The spelling of 50864081 in words is "fifty million, eight hundred sixty-four thousand, eighty-one".
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