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6880406 = 213264631
BaseRepresentation
bin11010001111110010010110
3110221120010212
4122033302112
53230133111
6403245422
7112324331
oct32176226
913846125
106880406
11397a395
122379872
13156b960
14cb1618
1590d98b
hex68fc96

6880406 has 8 divisors (see below), whose sum is σ = 11114544. Its totient is φ = 3175560.

The previous prime is 6880369. The next prime is 6880411. The reversal of 6880406 is 6040886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 132290 + ... + 132341.

It is an arithmetic number, because the mean of its divisors is an integer number (1389318).

Almost surely, 26880406 is an apocalyptic number.

6880406 is a deficient number, since it is larger than the sum of its proper divisors (4234138).

6880406 is a wasteful number, since it uses less digits than its factorization.

6880406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264646.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 6880406 is about 2623.0528016035. The cubic root of 6880406 is about 190.1974494010.

The spelling of 6880406 in words is "six million, eight hundred eighty thousand, four hundred six".

Divisors: 1 2 13 26 264631 529262 3440203 6880406