Search a number
-
+
6880412 = 2271189251
BaseRepresentation
bin11010001111110010011100
3110221120011002
4122033302130
53230133122
6403245432
7112324340
oct32176234
913846132
106880412
11397a3a0
122379878
13156b966
14cb1620
1590d992
hex68fc9c

6880412 has 48 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 2640000.

The previous prime is 6880411. The next prime is 6880417. The reversal of 6880412 is 2140886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880411) 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 15 ways as a sum of consecutive naturals, for example, 27287 + ... + 27537.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 26880412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6880412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).

6880412 is an abundant number, since it is smaller than the sum of its proper divisors (8360548).

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

6880412 is a wasteful number, since it uses less digits than its factorization.

6880412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 6880412 is about 2623.0539453088. The cubic root of 6880412 is about 190.1975046877.

The spelling of 6880412 in words is "six million, eight hundred eighty thousand, four hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 89 154 178 251 308 356 502 623 979 1004 1246 1757 1958 2492 2761 3514 3916 5522 6853 7028 11044 13706 19327 22339 27412 38654 44678 77308 89356 156373 245729 312746 491458 625492 982916 1720103 3440206 6880412