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6880800 = 253524761
BaseRepresentation
bin11010001111111000100000
3110221120200110
4122033320200
53230141200
6403251320
7112325433
oct32177040
913846613
106880800
11397a713
122379b40
13156bba4
14cb181a
1590db50
hex68fe20

6880800 has 144 divisors (see below), whose sum is σ = 23248512. Its totient is φ = 1766400.

The previous prime is 6880789. The next prime is 6880807. The reversal of 6880800 is 80886.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880807) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 112770 + ... + 112830.

It is an arithmetic number, because the mean of its divisors is an integer number (161448).

Almost surely, 26880800 is an apocalyptic number.

6880800 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 6880800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11624256).

6880800 is an abundant number, since it is smaller than the sum of its proper divisors (16367712).

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

6880800 is a wasteful number, since it uses less digits than its factorization.

6880800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 6880800 is about 2623.1279038583. The cubic root of 6880800 is about 190.2010798246.

The spelling of 6880800 in words is "six million, eight hundred eighty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 47 48 50 60 61 75 80 94 96 100 120 122 141 150 160 183 188 200 235 240 244 282 300 305 366 376 400 470 480 488 564 600 610 705 732 752 800 915 940 976 1128 1175 1200 1220 1410 1464 1504 1525 1830 1880 1952 2256 2350 2400 2440 2820 2867 2928 3050 3525 3660 3760 4512 4575 4700 4880 5640 5734 5856 6100 7050 7320 7520 8601 9150 9400 9760 11280 11468 12200 14100 14335 14640 17202 18300 18800 22560 22936 24400 28200 28670 29280 34404 36600 37600 43005 45872 48800 56400 57340 68808 71675 73200 86010 91744 112800 114680 137616 143350 146400 172020 215025 229360 275232 286700 344040 430050 458720 573400 688080 860100 1146800 1376160 1720200 2293600 3440400 6880800