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2885216 = 2590163
BaseRepresentation
bin1011000000011001100000
312102120202212
423000121200
51214311331
6141501252
733344465
oct13003140
95376685
102885216
1116a0784
12b71828
137a0339
1455166c
153bed2b
hex2c0660

2885216 has 12 divisors (see below), whose sum is σ = 5680332. Its totient is φ = 1442592.

The previous prime is 2885209. The next prime is 2885219. The reversal of 2885216 is 6125882.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 90163 = 2885216 / (2 + 8 + 8 + 5 + 2 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885219) 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 as a sum of consecutive naturals, namely, 45050 + ... + 45113.

It is an arithmetic number, because the mean of its divisors is an integer number (473361).

22885216 is an apocalyptic number.

It is an amenable number.

2885216 is a deficient number, since it is larger than the sum of its proper divisors (2795116).

2885216 is an equidigital number, since it uses as much as digits as its factorization.

2885216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90173 (or 90165 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 2885216 is about 1698.5923583956. The cubic root of 2885216 is about 142.3615727646.

The spelling of 2885216 in words is "two million, eight hundred eighty-five thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 90163 180326 360652 721304 1442608 2885216