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2004221173 = 23107814393
BaseRepresentation
bin111011101110101…
…1111110011110101
312011200021222120211
41313131133303311
513101040034143
6530513225421
7100444412263
oct16735376365
95150258524
102004221173
11939370039
1247b262271
1325c2c47b6
14150277433
15bae4849d
hex7775fcf5

2004221173 has 8 divisors (see below), whose sum is σ = 2110909248. Its totient is φ = 1899162144.

The previous prime is 2004221161. The next prime is 2004221189. The reversal of 2004221173 is 3711224002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2004221173 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 (2004221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404736 + ... + 409657.

It is an arithmetic number, because the mean of its divisors is an integer number (263863656).

Almost surely, 22004221173 is an apocalyptic number.

2004221173 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2004221173 is a deficient number, since it is larger than the sum of its proper divisors (106688075).

2004221173 is a wasteful number, since it uses less digits than its factorization.

2004221173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814523.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2004221173 is about 44768.5288232705. The cubic root of 2004221173 is about 1260.8068178099.

Adding to 2004221173 its reverse (3711224002), we get a palindrome (5715445175).

The spelling of 2004221173 in words is "two billion, four million, two hundred twenty-one thousand, one hundred seventy-three".

Divisors: 1 23 107 2461 814393 18731039 87140051 2004221173