Search a number
-
+
6673939 = 41162779
BaseRepresentation
bin11001011101011000010011
3110120001220221
4121131120103
53202031224
6355013511
7110504356
oct31353023
913501827
106673939
113849258
12229a297
1314c899c
14c5a29d
158bc6e4
hex65d613

6673939 has 4 divisors (see below), whose sum is σ = 6836760. Its totient is φ = 6511120.

The previous prime is 6673889. The next prime is 6673951. The reversal of 6673939 is 9393766.

It is a happy number.

6673939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9393766 = 24696883.

It is a cyclic number.

It is not a de Polignac number, because 6673939 - 211 = 6671891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6673895 and 6673904.

It is not an unprimeable number, because it can be changed into a prime (6673969) 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, 81349 + ... + 81430.

It is an arithmetic number, because the mean of its divisors is an integer number (1709190).

Almost surely, 26673939 is an apocalyptic number.

6673939 is a deficient number, since it is larger than the sum of its proper divisors (162821).

6673939 is a wasteful number, since it uses less digits than its factorization.

6673939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162820.

The product of its digits is 183708, while the sum is 43.

The square root of 6673939 is about 2583.3967949194. The cubic root of 6673939 is about 188.2756161839.

The spelling of 6673939 in words is "six million, six hundred seventy-three thousand, nine hundred thirty-nine".

Divisors: 1 41 162779 6673939