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2243200 = 2752701
BaseRepresentation
bin1000100011101010000000
311012222002111
420203222000
51033240300
6120025104
725031641
oct10435200
94188074
102243200
1112a2393
12902194
1360704b
144256c8
152e49ba
hex223a80

2243200 has 48 divisors (see below), whose sum is σ = 5549310. Its totient is φ = 896000.

The previous prime is 2243183. The next prime is 2243203. The reversal of 2243200 is 23422.

It can be written as a sum of positive squares in 3 ways, for example, as 2005056 + 238144 = 1416^2 + 488^2 .

It is not an unprimeable number, because it can be changed into a prime (2243203) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2850 + ... + 3550.

22243200 is an apocalyptic number.

2243200 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 2243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774655).

2243200 is an abundant number, since it is smaller than the sum of its proper divisors (3306110).

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

2243200 is an equidigital number, since it uses as much as digits as its factorization.

2243200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2243200 is about 1497.7316181479. The cubic root of 2243200 is about 130.9049287865.

Adding to 2243200 its reverse (23422), we get a palindrome (2266622).

The spelling of 2243200 in words is "two million, two hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 701 800 1402 1600 2804 3200 3505 5608 7010 11216 14020 17525 22432 28040 35050 44864 56080 70100 89728 112160 140200 224320 280400 448640 560800 1121600 2243200