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2005039662 = 231372439221
BaseRepresentation
bin111011110000010…
…0111101000101110
312011201211120100020
41313200213220232
513101242232122
6530542543010
7100454361453
oct16740475056
95151746306
102005039662
11939879a7a
1247b597a66
1325c520202
1415040b82a
15bb05ac5c
hex77827a2e

2005039662 has 16 divisors (see below), whose sum is σ = 4039351632. Its totient is φ = 663467840.

The previous prime is 2005039639. The next prime is 2005039679. The reversal of 2005039662 is 2669305002.

It is a congruent number.

It is an unprimeable number.

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, 1218789 + ... + 1220432.

It is an arithmetic number, because the mean of its divisors is an integer number (252459477).

Almost surely, 22005039662 is an apocalyptic number.

2005039662 is an abundant number, since it is smaller than the sum of its proper divisors (2034311970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005039662 is a wasteful number, since it uses less digits than its factorization.

2005039662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439363.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 2005039662 is about 44777.6692336705. The cubic root of 2005039662 is about 1260.9784249624.

The spelling of 2005039662 in words is "two billion, five million, thirty-nine thousand, six hundred sixty-two".

Divisors: 1 2 3 6 137 274 411 822 2439221 4878442 7317663 14635326 334173277 668346554 1002519831 2005039662