Search a number
-
+
6228665 = 58913997
BaseRepresentation
bin10111110000101010111001
3102201110010022
4113300222321
53043304130
6341300225
7103641242
oct27605271
912643108
106228665
113574763
122104675
1313a1101
14b81cc9
158307e5
hex5f0ab9

6228665 has 8 divisors (see below), whose sum is σ = 7558920. Its totient is φ = 4926592.

The previous prime is 6228659. The next prime is 6228667. The reversal of 6228665 is 5668226.

It can be written as a sum of positive squares in 4 ways, for example, as 137641 + 6091024 = 371^2 + 2468^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6228665 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228667) by changing a digit.

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, 6554 + ... + 7443.

It is an arithmetic number, because the mean of its divisors is an integer number (944865).

Almost surely, 26228665 is an apocalyptic number.

It is an amenable number.

6228665 is a deficient number, since it is larger than the sum of its proper divisors (1330255).

6228665 is a wasteful number, since it uses less digits than its factorization.

6228665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091.

The product of its digits is 34560, while the sum is 35.

The square root of 6228665 is about 2495.7293523137. The cubic root of 6228665 is about 183.9917391534.

The spelling of 6228665 in words is "six million, two hundred twenty-eight thousand, six hundred sixty-five".

Divisors: 1 5 89 445 13997 69985 1245733 6228665