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6380489 = 6439923
BaseRepresentation
bin11000010101101111001001
3110000011101102
4120111233021
53113133424
6344431145
7105143003
oct30255711
913004342
106380489
113668835
1221784b5
13142524b
14bc1373
158607ae
hex615bc9

6380489 has 4 divisors (see below), whose sum is σ = 6391056. Its totient is φ = 6369924.

The previous prime is 6380483. The next prime is 6380497. The reversal of 6380489 is 9840836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6380489 - 28 = 6380233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6380483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319 + ... + 5604.

It is an arithmetic number, because the mean of its divisors is an integer number (1597764).

Almost surely, 26380489 is an apocalyptic number.

It is an amenable number.

6380489 is a deficient number, since it is larger than the sum of its proper divisors (10567).

6380489 is an equidigital number, since it uses as much as digits as its factorization.

6380489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6380489 is about 2525.9629846852. The cubic root of 6380489 is about 185.4746903760.

The spelling of 6380489 in words is "six million, three hundred eighty thousand, four hundred eighty-nine".

Divisors: 1 643 9923 6380489