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8146 = 24073
BaseRepresentation
bin1111111010010
3102011201
41333102
5230041
6101414
732515
oct17722
912151
108146
116136
12486a
133928
142d7c
152631
hex1fd2

8146 has 4 divisors (see below), whose sum is σ = 12222. Its totient is φ = 4072.

The previous prime is 8123. The next prime is 8147. The reversal of 8146 is 6418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6418 = 23209.

It can be written as a sum of positive squares in only one way, i.e., 7921 + 225 = 89^2 + 15^2 .

It is not an unprimeable number, because it can be changed into a prime (8147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035 + ... + 2038.

28146 is an apocalyptic number.

8146 is a deficient number, since it is larger than the sum of its proper divisors (4076).

8146 is a wasteful number, since it uses less digits than its factorization.

8146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075.

The product of its digits is 192, while the sum is 19.

The square root of 8146 is about 90.2551937564. The cubic root of 8146 is about 20.1209339419.

Adding to 8146 its product of digits (192), we get a palindrome (8338).

Subtracting from 8146 its reverse (6418), we obtain a cube (1728 = 123).

It can be divided in two parts, 814 and 6, that multiplied together give a palindrome (4884).

The spelling of 8146 in words is "eight thousand, one hundred forty-six".

Divisors: 1 2 4073 8146