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6780852 = 22321314489
BaseRepresentation
bin11001110111011110110100
3110202111120200
4121313132310
53213441402
6401200500
7111431151
oct31673664
913674520
106780852
113911611
122330130
131535550
14c87228
158de21c
hex6777b4

6780852 has 36 divisors (see below), whose sum is σ = 18460260. Its totient is φ = 2086272.

The previous prime is 6780833. The next prime is 6780857. The reversal of 6780852 is 2580876.

It can be written as a sum of positive squares in 2 ways, for example, as 992016 + 5788836 = 996^2 + 2406^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6777 + ... + 7712.

It is an arithmetic number, because the mean of its divisors is an integer number (512785).

Almost surely, 26780852 is an apocalyptic number.

It is an amenable number.

6780852 is an abundant number, since it is smaller than the sum of its proper divisors (11679408).

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

6780852 is a wasteful number, since it uses less digits than its factorization.

6780852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14512 (or 14507 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 6780852 is about 2604.0069124332. The cubic root of 6780852 is about 189.2756538687.

Subtracting from 6780852 its sum of digits (36), we obtain a square (6780816 = 26042).

The spelling of 6780852 in words is "six million, seven hundred eighty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 14489 28978 43467 57956 86934 130401 173868 188357 260802 376714 521604 565071 753428 1130142 1695213 2260284 3390426 6780852