Search a number
-
+
8636241 = 3191031471
BaseRepresentation
bin100000111100…
…011101010001
3121020202200210
4200330131101
54202324431
6505034333
7133256355
oct40743521
917222623
108636241
114969599
122a859a9
131a34c03
14120b465
15b58d46
hex83c751

8636241 has 16 divisors (see below), whose sum is σ = 12247040. Its totient is φ = 5397840.

The previous prime is 8636239. The next prime is 8636261. The reversal of 8636241 is 1426368.

It is not a de Polignac number, because 8636241 - 21 = 8636239 is a prime.

It is a super-2 number, since 2×86362412 = 149169317220162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

8636241 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8636199 and 8636208.

It is not an unprimeable number, because it can be changed into a prime (8636261) 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 15 ways as a sum of consecutive naturals, for example, 5136 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (765440).

Almost surely, 28636241 is an apocalyptic number.

It is an amenable number.

8636241 is a deficient number, since it is larger than the sum of its proper divisors (3610799).

8636241 is a wasteful number, since it uses less digits than its factorization.

8636241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 6912, while the sum is 30.

The square root of 8636241 is about 2938.7482028918. The cubic root of 8636241 is about 205.1673509531.

The spelling of 8636241 in words is "eight million, six hundred thirty-six thousand, two hundred forty-one".

Divisors: 1 3 19 57 103 309 1471 1957 4413 5871 27949 83847 151513 454539 2878747 8636241