Search a number
-
+
2004685 = 5715647
BaseRepresentation
bin111101001011011001101
310202211220121
413221123031
51003122220
6110544541
723016364
oct7513315
93684817
102004685
11114a171
12808151
13552607
143a27db
15298eaa
hex1e96cd

2004685 has 8 divisors (see below), whose sum is σ = 2439936. Its totient is φ = 1580880.

The previous prime is 2004679. The next prime is 2004701. The reversal of 2004685 is 5864002.

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

It is not a de Polignac number, because 2004685 - 219 = 1480397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (304992).

22004685 is an apocalyptic number.

It is an amenable number.

2004685 is a deficient number, since it is larger than the sum of its proper divisors (435251).

2004685 is an equidigital number, since it uses as much as digits as its factorization.

2004685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2004685 is about 1415.8689911146. The cubic root of 2004685 is about 126.0904071071.

Adding to 2004685 its reverse (5864002), we get a palindrome (7868687).

The spelling of 2004685 in words is "two million, four thousand, six hundred eighty-five".

Divisors: 1 5 71 355 5647 28235 400937 2004685