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2668800 = 28352139
BaseRepresentation
bin1010001011100100000000
312000120220110
422023210000
51140400200
6133111320
731453521
oct12134400
95016813
102668800
111563122
12a88540
13725994
144d6848
1537ab50
hex28b900

2668800 has 108 divisors (see below), whose sum is σ = 8870960. Its totient is φ = 706560.

The previous prime is 2668793. The next prime is 2668829. The reversal of 2668800 is 88662.

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

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19131 + ... + 19269.

22668800 is an apocalyptic number.

2668800 is a gapful number since it is divisible by the number (20) 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 2668800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4435480).

2668800 is an abundant number, since it is smaller than the sum of its proper divisors (6202160).

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

2668800 is a wasteful number, since it uses less digits than its factorization.

2668800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2668800 is about 1633.6462285330. The cubic root of 2668800 is about 138.7092242813.

The spelling of 2668800 in words is "two million, six hundred sixty-eight thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 139 150 160 192 200 240 256 278 300 320 384 400 417 480 556 600 640 695 768 800 834 960 1112 1200 1280 1390 1600 1668 1920 2085 2224 2400 2780 3200 3336 3475 3840 4170 4448 4800 5560 6400 6672 6950 8340 8896 9600 10425 11120 13344 13900 16680 17792 19200 20850 22240 26688 27800 33360 35584 41700 44480 53376 55600 66720 83400 88960 106752 111200 133440 166800 177920 222400 266880 333600 444800 533760 667200 889600 1334400 2668800