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2004979 = 23179487
BaseRepresentation
bin111101001011111110011
310202212022111
413221133303
51003124404
6110550151
723020264
oct7513763
93685274
102004979
11114a409
12808357
135527a2
143a296b
15299104
hex1e97f3

2004979 has 8 divisors (see below), whose sum is σ = 2108160. Its totient is φ = 1903176.

The previous prime is 2004953. The next prime is 2004983. The reversal of 2004979 is 9794002.

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

It is a cyclic number.

It is not a de Polignac number, because 2004979 - 27 = 2004851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2004979.

It is not an unprimeable number, because it can be changed into a prime (2004479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874 + ... + 4360.

It is an arithmetic number, because the mean of its divisors is an integer number (263520).

22004979 is an apocalyptic number.

2004979 is a deficient number, since it is larger than the sum of its proper divisors (103181).

2004979 is a wasteful number, since it uses less digits than its factorization.

2004979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2004979 is about 1415.9728104734. The cubic root of 2004979 is about 126.0965707966.

The spelling of 2004979 in words is "two million, four thousand, nine hundred seventy-nine".

Divisors: 1 23 179 487 4117 11201 87173 2004979