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2286 = 232127
BaseRepresentation
bin100011101110
310010200
4203232
533121
614330
76444
oct4356
93120
102286
111799
1213a6
13106b
14b94
15a26
hex8ee

2286 has 12 divisors (see below), whose sum is σ = 4992. Its totient is φ = 756.

The previous prime is 2281. The next prime is 2287. The reversal of 2286 is 6822.

Adding to 2286 its sum of digits (18), we get a square (2304 = 482).

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 127 = 2286 / (2 + 2 + 8 + 6).

It is a plaindrome in base 11 and base 16.

It is a nialpdrome in base 7 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281) 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, 46 + ... + 81.

It is an arithmetic number, because the mean of its divisors is an integer number (416).

22286 is an apocalyptic number.

2286 is an abundant number, since it is smaller than the sum of its proper divisors (2706).

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

2286 is a wasteful number, since it uses less digits than its factorization.

2286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 132 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2286 is about 47.8121323515. The cubic root of 2286 is about 13.1732239588.

The spelling of 2286 in words is "two thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2286