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2009449038 = 23334908173
BaseRepresentation
bin111011111000101…
…1100001001001110
312012001010120212110
41313301130021032
513103404332123
6531221244450
7100540015002
oct16761341116
95161116773
102009449038
11941310893
12480b63726
132604051cc
14150c38702
15bb62c493
hex77c5c24e

2009449038 has 8 divisors (see below), whose sum is σ = 4018898088. Its totient is φ = 669816344.

The previous prime is 2009449037. The next prime is 2009449051. The reversal of 2009449038 is 8309449002.

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

2009449038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2009448987 and 2009449005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009449037) 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 3 ways as a sum of consecutive naturals, for example, 167454081 + ... + 167454092.

It is an arithmetic number, because the mean of its divisors is an integer number (502362261).

Almost surely, 22009449038 is an apocalyptic number.

2009449038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2009449038 is a wasteful number, since it uses less digits than its factorization.

2009449038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334908178.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2009449038 is about 44826.8785217084. The cubic root of 2009449038 is about 1261.9021069617.

The spelling of 2009449038 in words is "two billion, nine million, four hundred forty-nine thousand, thirty-eight".

Divisors: 1 2 3 6 334908173 669816346 1004724519 2009449038