Search a number
-
+
6855772 = 2271122259
BaseRepresentation
bin11010001001110001011100
3110220022100111
4122021301130
53223341042
6402535404
7112162450
oct32116134
913808314
106855772
113962930
122367564
131560691
14ca6660
15906517
hex689c5c

6855772 has 24 divisors (see below), whose sum is σ = 14958720. Its totient is φ = 2670960.

The previous prime is 6855769. The next prime is 6855787. The reversal of 6855772 is 2775586.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10822 + ... + 11437.

It is an arithmetic number, because the mean of its divisors is an integer number (623280).

Almost surely, 26855772 is an apocalyptic number.

It is an amenable number.

6855772 is an abundant number, since it is smaller than the sum of its proper divisors (8102948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6855772 is a wasteful number, since it uses less digits than its factorization.

6855772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22281 (or 22279 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 6855772 is about 2618.3529173891. The cubic root of 6855772 is about 189.9701892288.

The spelling of 6855772 in words is "six million, eight hundred fifty-five thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 22259 44518 89036 155813 244849 311626 489698 623252 979396 1713943 3427886 6855772