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6880400 = 2452103167
BaseRepresentation
bin11010001111110010010000
3110221120010122
4122033302100
53230133100
6403245412
7112324322
oct32176220
913846118
106880400
11397a38a
122379868
13156b957
14cb1612
1590d985
hex68fc90

6880400 has 60 divisors (see below), whose sum is σ = 16790592. Its totient is φ = 2709120.

The previous prime is 6880369. The next prime is 6880411. The reversal of 6880400 is 40886.

It is a self number, because there is not a number n which added to its sum of digits gives 6880400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41117 + ... + 41283.

Almost surely, 26880400 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 6880400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8395296).

6880400 is an abundant number, since it is smaller than the sum of its proper divisors (9910192).

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

6880400 is a wasteful number, since it uses less digits than its factorization.

6880400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 6880400 is about 2623.0516578977. The cubic root of 6880400 is about 190.1973941143.

The spelling of 6880400 in words is "six million, eight hundred eighty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 103 167 200 206 334 400 412 515 668 824 835 1030 1336 1648 1670 2060 2575 2672 3340 4120 4175 5150 6680 8240 8350 10300 13360 16700 17201 20600 33400 34402 41200 66800 68804 86005 137608 172010 275216 344020 430025 688040 860050 1376080 1720100 3440200 6880400