Search a number
-
+
8050001 is a prime number
BaseRepresentation
bin11110101101010101010001
3120010222112012
4132231111101
54030100001
6444312305
7125265251
oct36552521
916128465
108050001
1145a90a3
122842695
13188b11b
1410d7961
15a902bb
hex7ad551

8050001 has 2 divisors, whose sum is σ = 8050002. Its totient is φ = 8050000.

The previous prime is 8049997. The next prime is 8050013. The reversal of 8050001 is 1000508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 3806401 = 2060^2 + 1951^2 .

It is a cyclic number.

It is not a de Polignac number, because 8050001 - 22 = 8049997 is a prime.

It is a super-2 number, since 2×80500012 = 129605032200002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8550001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4025000 + 4025001.

It is an arithmetic number, because the mean of its divisors is an integer number (4025001).

Almost surely, 28050001 is an apocalyptic number.

It is an amenable number.

8050001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8050001 is an equidigital number, since it uses as much as digits as its factorization.

8050001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 8050001 is about 2837.2523680491. The cubic root of 8050001 is about 200.4158099115.

Adding to 8050001 its reverse (1000508), we get a palindrome (9050509).

The spelling of 8050001 in words is "eight million, fifty thousand, one".