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2005394 = 21079371
BaseRepresentation
bin111101001100110010010
310202212212212
413221212102
51003133034
6110552122
723021426
oct7514622
93685785
102005394
11114a756
12808642
13552a31
143a2b86
152992ce
hex1e9992

2005394 has 8 divisors (see below), whose sum is σ = 3036528. Its totient is φ = 993220.

The previous prime is 2005387. The next prime is 2005397. The reversal of 2005394 is 4935002.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2005397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4472 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (379566).

22005394 is an apocalyptic number.

2005394 is a deficient number, since it is larger than the sum of its proper divisors (1031134).

2005394 is a wasteful number, since it uses less digits than its factorization.

2005394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2005394 is about 1416.1193452531. The cubic root of 2005394 is about 126.1052702172.

The spelling of 2005394 in words is "two million, five thousand, three hundred ninety-four".

Divisors: 1 2 107 214 9371 18742 1002697 2005394