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2162 = 22347
BaseRepresentation
bin100001110010
32222002
4201302
532122
614002
76206
oct4162
92862
102162
111696
121302
13ca4
14b06
15992
hex872

2162 has 8 divisors (see below), whose sum is σ = 3456. Its totient is φ = 1012.

The previous prime is 2161. The next prime is 2179. The reversal of 2162 is 2612.

Adding to 2162 its reverse (2612), we get a palindrome (4774).

It can be divided in two parts, 2 and 162, that multiplied together give a square (324 = 182).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13, base 15 and base 16.

It is not an unprimeable number, because it can be changed into a prime (2161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 69.

It is an arithmetic number, because the mean of its divisors is an integer number (432).

It is a pronic number, being equal to 46×47.

2162 is a deficient number, since it is larger than the sum of its proper divisors (1294).

2162 is a wasteful number, since it uses less digits than its factorization.

2162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72.

The product of its digits is 24, while the sum is 11.

The square root of 2162 is about 46.4973117503. The cubic root of 2162 is about 12.9305966033.

The spelling of 2162 in words is "two thousand, one hundred sixty-two".

Divisors: 1 2 23 46 47 94 1081 2162