Search a number
-
+
6672713 = 12135501
BaseRepresentation
bin11001011101000101001001
3110120000020112
4121131011021
53202011323
6355004105
7110500655
oct31350511
913500215
106672713
113848343
122299635
1314c8268
14c59a65
158bc178
hex65d149

6672713 has 4 divisors (see below), whose sum is σ = 6679428. Its totient is φ = 6666000.

The previous prime is 6672703. The next prime is 6672749. The reversal of 6672713 is 3172766.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 3108169 = 1888^2 + 1763^2 .

It is a cyclic number.

It is not a de Polignac number, because 6672713 - 212 = 6668617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6672713.

It is not an unprimeable number, because it can be changed into a prime (6672703) 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, 1538 + ... + 3963.

It is an arithmetic number, because the mean of its divisors is an integer number (1669857).

Almost surely, 26672713 is an apocalyptic number.

It is an amenable number.

6672713 is a deficient number, since it is larger than the sum of its proper divisors (6715).

6672713 is a wasteful number, since it uses less digits than its factorization.

6672713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714.

The product of its digits is 10584, while the sum is 32.

The square root of 6672713 is about 2583.1594995277. The cubic root of 6672713 is about 188.2640867587.

The spelling of 6672713 in words is "six million, six hundred seventy-two thousand, seven hundred thirteen".

Divisors: 1 1213 5501 6672713