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6880920 = 2335173373
BaseRepresentation
bin11010001111111010011000
3110221120211220
4122033322120
53230142140
6403252040
7112325664
oct32177230
913846756
106880920
11397a812
12237a020
13156bc67
14cb18a4
1590dbd0
hex68fe98

6880920 has 64 divisors (see below), whose sum is σ = 21863520. Its totient is φ = 1726464.

The previous prime is 6880891. The next prime is 6880931. The reversal of 6880920 is 290886.

6880920 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 354 + ... + 3726.

Almost surely, 26880920 is an apocalyptic number.

6880920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6880920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10931760).

6880920 is an abundant number, since it is smaller than the sum of its proper divisors (14982600).

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

6880920 is a wasteful number, since it uses less digits than its factorization.

6880920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 6880920 is about 2623.1507772143. The cubic root of 6880920 is about 190.2021855098.

The spelling of 6880920 in words is "six million, eight hundred eighty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 3373 6746 10119 13492 16865 20238 26984 33730 40476 50595 57341 67460 80952 101190 114682 134920 172023 202380 229364 286705 344046 404760 458728 573410 688092 860115 1146820 1376184 1720230 2293640 3440460 6880920