Search a number
-
+
52004005 = 510400801
BaseRepresentation
bin1100011001100…
…0010010100101
310121212002002021
43012120102211
5101303112010
65054343141
71201012114
oct306302245
9117762067
1052004005
112739a419
12154baab1
13aa0a601
146c99c7b
1548738da
hex31984a5

52004005 has 4 divisors (see below), whose sum is σ = 62404812. Its totient is φ = 41603200.

The previous prime is 52003997. The next prime is 52004023. The reversal of 52004005 is 50040025.

It is a happy number.

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 35988001 + 16016004 = 5999^2 + 4002^2 .

It is not a de Polignac number, because 52004005 - 23 = 52003997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52004005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5200396 + ... + 5200405.

It is an arithmetic number, because the mean of its divisors is an integer number (15601203).

Almost surely, 252004005 is an apocalyptic number.

It is an amenable number.

52004005 is a deficient number, since it is larger than the sum of its proper divisors (10400807).

52004005 is a wasteful number, since it uses less digits than its factorization.

52004005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400806.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 52004005 is about 7211.3802423669. The cubic root of 52004005 is about 373.2606979403.

The spelling of 52004005 in words is "fifty-two million, four thousand, five".

Divisors: 1 5 10400801 52004005