Search a number
-
+
6021145 = 513175449
BaseRepresentation
bin10110111110000000011001
3102022220110101
4112332000121
53020134040
6333015401
7102115234
oct26760031
912286411
106021145
113442859
122024561
13132a810
14b2a41b
157de09a
hex5be019

6021145 has 16 divisors (see below), whose sum is σ = 8240400. Its totient is φ = 4184064.

The previous prime is 6021139. The next prime is 6021187. The reversal of 6021145 is 5411206.

6021145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 698896 + 5322249 = 836^2 + 2307^2 .

It is a cyclic number.

It is not a de Polignac number, because 6021145 - 27 = 6021017 is a prime.

It is a super-2 number, since 2×60211452 = 72508374222050, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 3829.

It is an arithmetic number, because the mean of its divisors is an integer number (515025).

Almost surely, 26021145 is an apocalyptic number.

6021145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6021145 is a deficient number, since it is larger than the sum of its proper divisors (2219255).

6021145 is a wasteful number, since it uses less digits than its factorization.

6021145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 6021145 is about 2453.8021517637. The cubic root of 6021145 is about 181.9252702095.

The spelling of 6021145 in words is "six million, twenty-one thousand, one hundred forty-five".

Divisors: 1 5 13 17 65 85 221 1105 5449 27245 70837 92633 354185 463165 1204229 6021145