Search a number
-
+
6320081 = 37170813
BaseRepresentation
bin11000000110111111010001
3102220002112002
4120012333101
53104220311
6343243345
7104501615
oct30067721
912802462
106320081
113627409
122149555
1314038c1
14ba7345
1584c93b
hex606fd1

6320081 has 4 divisors (see below), whose sum is σ = 6490932. Its totient is φ = 6149232.

The previous prime is 6320077. The next prime is 6320099. The reversal of 6320081 is 1800236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4243600 + 2076481 = 2060^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 6320081 - 22 = 6320077 is a prime.

It is a super-2 number, since 2×63200812 = 79886847693122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6320051) 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, 85370 + ... + 85443.

It is an arithmetic number, because the mean of its divisors is an integer number (1622733).

Almost surely, 26320081 is an apocalyptic number.

It is an amenable number.

6320081 is a deficient number, since it is larger than the sum of its proper divisors (170851).

6320081 is a wasteful number, since it uses less digits than its factorization.

6320081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170850.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 6320081 is about 2513.9771279787. The cubic root of 6320081 is about 184.8874991683.

The spelling of 6320081 in words is "six million, three hundred twenty thousand, eighty-one".

Divisors: 1 37 170813 6320081