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2005200403 = 8365336997
BaseRepresentation
bin111011110000100…
…1110111000010011
312011202010201211121
41313201032320103
513101312403103
6530550223111
7100455631213
oct16741167023
95152121747
102005200403
11939979818
1247b654a97
1325c57841b
14150450243
15bb08d6bd
hex7784ee13

2005200403 has 8 divisors (see below), whose sum is σ = 2032522128. Its totient is φ = 1977954144.

The previous prime is 2005200401. The next prime is 2005200413. The reversal of 2005200403 is 3040025002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005200403 - 21 = 2005200401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005200401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35701 + ... + 72697.

It is an arithmetic number, because the mean of its divisors is an integer number (254065266).

Almost surely, 22005200403 is an apocalyptic number.

2005200403 is a deficient number, since it is larger than the sum of its proper divisors (27321725).

2005200403 is an equidigital number, since it uses as much as digits as its factorization.

2005200403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37733.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2005200403 is about 44779.4640767395. The cubic root of 2005200403 is about 1261.0121209736.

Adding to 2005200403 its reverse (3040025002), we get a palindrome (5045225405).

The spelling of 2005200403 in words is "two billion, five million, two hundred thousand, four hundred three".

Divisors: 1 83 653 36997 54199 3070751 24159041 2005200403