Search a number
-
+
6790880 = 25542443
BaseRepresentation
bin11001111001111011100000
3110210000100002
4121321323200
53214302010
6401315132
7111502325
oct31717340
913700302
106790880
1139190a8
122335aa8
131539c95
14c8ab4c
158e21a5
hex679ee0

6790880 has 24 divisors (see below), whose sum is σ = 16043832. Its totient is φ = 2716288.

The previous prime is 6790879. The next prime is 6790897. The reversal of 6790880 is 880976.

It is a super-2 number, since 2×67908802 = 92232102348800, which contains 22 as substring.

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, 21062 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (668493).

Almost surely, 26790880 is an apocalyptic number.

It is an amenable number.

6790880 is an abundant number, since it is smaller than the sum of its proper divisors (9252952).

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

6790880 is a wasteful number, since it uses less digits than its factorization.

6790880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42458 (or 42450 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 6790880 is about 2605.9316951908. The cubic root of 6790880 is about 189.3689126197.

The spelling of 6790880 in words is "six million, seven hundred ninety thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 42443 84886 169772 212215 339544 424430 679088 848860 1358176 1697720 3395440 6790880