Search a number
-
+
8681229 = 33476841
BaseRepresentation
bin100001000111…
…011100001101
3121100001102000
4201013130031
54210244404
6510022513
7133534464
oct41073415
917301360
108681229
11499a377
122aa7a39
131a4c52b
14121d9db
15b67339
hex84770d

8681229 has 16 divisors (see below), whose sum is σ = 13136640. Its totient is φ = 5663520.

The previous prime is 8681221. The next prime is 8681243. The reversal of 8681229 is 9221868.

It is not a de Polignac number, because 8681229 - 23 = 8681221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8681193 and 8681202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681221) 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, 2152 + ... + 4689.

It is an arithmetic number, because the mean of its divisors is an integer number (821040).

Almost surely, 28681229 is an apocalyptic number.

It is an amenable number.

8681229 is a deficient number, since it is larger than the sum of its proper divisors (4455411).

8681229 is a wasteful number, since it uses less digits than its factorization.

8681229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6891 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 8681229 is about 2946.3925400394. The cubic root of 8681229 is about 205.5229874653.

The spelling of 8681229 in words is "eight million, six hundred eighty-one thousand, two hundred twenty-nine".

Divisors: 1 3 9 27 47 141 423 1269 6841 20523 61569 184707 321527 964581 2893743 8681229