Search a number
-
+
6680297 = 133891321
BaseRepresentation
bin11001011110111011101001
3110120101122102
4121132323221
53202232142
6355103145
7110532041
oct31367351
913511572
106680297
113853008
1222a1ab5
1314cb850
14c5c721
158be532
hex65eee9

6680297 has 8 divisors (see below), whose sum is σ = 7218120. Its totient is φ = 6145920.

The previous prime is 6680287. The next prime is 6680321. The reversal of 6680297 is 7920866.

It can be written as a sum of positive squares in 4 ways, for example, as 633616 + 6046681 = 796^2 + 2459^2 .

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 6680297 - 28 = 6680041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6680297.

It is not an unprimeable number, because it can be changed into a prime (6680227) 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, 4397 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (902265).

Almost surely, 26680297 is an apocalyptic number.

It is an amenable number.

6680297 is a deficient number, since it is larger than the sum of its proper divisors (537823).

6680297 is a wasteful number, since it uses less digits than its factorization.

6680297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 6680297 is about 2584.6270524004. The cubic root of 6680297 is about 188.3353848072.

The spelling of 6680297 in words is "six million, six hundred eighty thousand, two hundred ninety-seven".

Divisors: 1 13 389 1321 5057 17173 513869 6680297