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2004000249 = 3668000083
BaseRepresentation
bin111011101110010…
…1001110111111001
312011122212202112110
41313130221313321
513101011001444
6530504402533
7100442502216
oct16734516771
95148782473
102004000249
1193922a059
1247b176449
1325c248084
1415021ab0d
15bae02cb9
hex77729df9

2004000249 has 4 divisors (see below), whose sum is σ = 2672000336. Its totient is φ = 1336000164.

The previous prime is 2004000233. The next prime is 2004000277. The reversal of 2004000249 is 9420004002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2004000249 - 24 = 2004000233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2004000209) 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, 334000039 + ... + 334000044.

It is an arithmetic number, because the mean of its divisors is an integer number (668000084).

Almost surely, 22004000249 is an apocalyptic number.

It is an amenable number.

2004000249 is a deficient number, since it is larger than the sum of its proper divisors (668000087).

2004000249 is an equidigital number, since it uses as much as digits as its factorization.

2004000249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668000086.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2004000249 is about 44766.0613523236. The cubic root of 2004000249 is about 1260.7604901350.

The spelling of 2004000249 in words is "two billion, four million, two hundred forty-nine", and thus it is an aban number.

Divisors: 1 3 668000083 2004000249