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8664055 = 51732811
BaseRepresentation
bin100001000011…
…001111110111
3121022011211221
4201003033313
54204222210
6505411211
7133433431
oct41031767
917264757
108664055
114988484
122a99b07
131a4477a
141217651
15b621da
hex8433f7

8664055 has 4 divisors (see below), whose sum is σ = 10396872. Its totient is φ = 6931240.

The previous prime is 8664053. The next prime is 8664107. The reversal of 8664055 is 5504668.

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

It is not a de Polignac number, because 8664055 - 21 = 8664053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8664055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866401 + ... + 866410.

It is an arithmetic number, because the mean of its divisors is an integer number (2599218).

Almost surely, 28664055 is an apocalyptic number.

8664055 is a deficient number, since it is larger than the sum of its proper divisors (1732817).

8664055 is a wasteful number, since it uses less digits than its factorization.

8664055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732816.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 8664055 is about 2943.4766858258. The cubic root of 8664055 is about 205.3873698813.

The spelling of 8664055 in words is "eight million, six hundred sixty-four thousand, fifty-five".

Divisors: 1 5 1732811 8664055