[go: up one dir, main page]

Search a number
-
+
8668087 = 38922283
BaseRepresentation
bin100001000100…
…001110110111
3121022101101021
4201010032313
54204334322
6505442011
7133451251
oct41041667
917271337
108668087
11499050a
122aa0307
131a4655c
141218cd1
15b634c7
hex8443b7

8668087 has 4 divisors (see below), whose sum is σ = 8690760. Its totient is φ = 8645416.

The previous prime is 8668081. The next prime is 8668111. The reversal of 8668087 is 7808668.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8668087 - 223 = 279479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668081) 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 3 ways as a sum of consecutive naturals, for example, 10753 + ... + 11530.

It is an arithmetic number, because the mean of its divisors is an integer number (2172690).

Almost surely, 28668087 is an apocalyptic number.

8668087 is a deficient number, since it is larger than the sum of its proper divisors (22673).

8668087 is a wasteful number, since it uses less digits than its factorization.

8668087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22672.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 8668087 is about 2944.1615105153. The cubic root of 8668087 is about 205.4192253827.

The spelling of 8668087 in words is "eight million, six hundred sixty-eight thousand, eighty-seven".

Divisors: 1 389 22283 8668087