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864322045 = 5172864409
BaseRepresentation
bin110011100001001…
…000000111111101
32020020101002221121
4303201020013331
53232231301140
6221433230541
730263421226
oct6341100775
92206332847
10864322045
11403983a44
12201562451
1310a0b4182
1482b1024d
1550d3064a
hex338481fd

864322045 has 4 divisors (see below), whose sum is σ = 1037186460. Its totient is φ = 691457632.

The previous prime is 864322033. The next prime is 864322079. The reversal of 864322045 is 540223468.

864322045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 640191204 + 224130841 = 25302^2 + 14971^2 .

It is a cyclic number.

It is not a de Polignac number, because 864322045 - 27 = 864321917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 864322045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86432200 + ... + 86432209.

It is an arithmetic number, because the mean of its divisors is an integer number (259296615).

Almost surely, 2864322045 is an apocalyptic number.

It is an amenable number.

864322045 is a deficient number, since it is larger than the sum of its proper divisors (172864415).

864322045 is a wasteful number, since it uses less digits than its factorization.

864322045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172864414.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 864322045 is about 29399.3544997165. The cubic root of 864322045 is about 952.5589531876.

The spelling of 864322045 in words is "eight hundred sixty-four million, three hundred twenty-two thousand, forty-five".

Divisors: 1 5 172864409 864322045