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6996005 = 51399201
BaseRepresentation
bin11010101100000000100101
3111011102201022
4122230000211
53242333010
6405540525
7113315342
oct32540045
914142638
106996005
113a49225
122414745
1315ac463
14d017c9
15932d55
hex6ac025

6996005 has 4 divisors (see below), whose sum is σ = 8395212. Its totient is φ = 5596800.

The previous prime is 6996001. The next prime is 6996007. The reversal of 6996005 is 5006996.

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 2076481 + 4919524 = 1441^2 + 2218^2 .

It is not a de Polignac number, because 6996005 - 22 = 6996001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6996001) 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, 699596 + ... + 699605.

It is an arithmetic number, because the mean of its divisors is an integer number (2098803).

Almost surely, 26996005 is an apocalyptic number.

It is an amenable number.

6996005 is a deficient number, since it is larger than the sum of its proper divisors (1399207).

6996005 is a wasteful number, since it uses less digits than its factorization.

6996005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399206.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 6996005 is about 2644.9962192790. The cubic root of 6996005 is about 191.2567201136.

The spelling of 6996005 in words is "six million, nine hundred ninety-six thousand, five".

Divisors: 1 5 1399201 6996005