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2843228 = 223719211
BaseRepresentation
bin1010110110001001011100
312100110011202
422312021130
51211440403
6140535032
733111203
oct12661134
95313152
102843228
111672183
12b51478
137871ab
1454023a
153b2688
hex2b625c

2843228 has 12 divisors (see below), whose sum is σ = 5110392. Its totient is φ = 1383120.

The previous prime is 2843221. The next prime is 2843249. The reversal of 2843228 is 8223482.

2843228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2843228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843221) 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 3 ways as a sum of consecutive naturals, for example, 9458 + ... + 9753.

It is an arithmetic number, because the mean of its divisors is an integer number (425866).

22843228 is an apocalyptic number.

It is an amenable number.

2843228 is a deficient number, since it is larger than the sum of its proper divisors (2267164).

2843228 is a wasteful number, since it uses less digits than its factorization.

2843228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19252 (or 19250 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 2843228 is about 1686.1874154435. The cubic root of 2843228 is about 141.6676084520.

The spelling of 2843228 in words is "two million, eight hundred forty-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 37 74 148 19211 38422 76844 710807 1421614 2843228