Search a number
-
+
8668361 = 132922993
BaseRepresentation
bin100001000100…
…010011001001
3121022101202102
4201010103021
54204341421
6505443145
7133452122
oct41042311
917271672
108668361
114990739
122aa04b5
131a46710
141219049
15b6360b
hex8444c9

8668361 has 8 divisors (see below), whose sum is σ = 9657480. Its totient is φ = 7725312.

The previous prime is 8668357. The next prime is 8668367. The reversal of 8668361 is 1638668.

It can be written as a sum of positive squares in 4 ways, for example, as 1210000 + 7458361 = 1100^2 + 2731^2 .

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 8668361 - 22 = 8668357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8668367) 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, 11120 + ... + 11873.

It is an arithmetic number, because the mean of its divisors is an integer number (1207185).

Almost surely, 28668361 is an apocalyptic number.

It is an amenable number.

8668361 is a deficient number, since it is larger than the sum of its proper divisors (989119).

8668361 is a wasteful number, since it uses less digits than its factorization.

8668361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23035.

The product of its digits is 41472, while the sum is 38.

The square root of 8668361 is about 2944.2080429209. The cubic root of 8668361 is about 205.4213898077.

The spelling of 8668361 in words is "eight million, six hundred sixty-eight thousand, three hundred sixty-one".

Divisors: 1 13 29 377 22993 298909 666797 8668361