Cookie Consent by FreePrivacyPolicy.com
Search a number
-
+
8023 = 71113
BaseRepresentation
bin1111101010111
3102000011
41331113
5224043
6101051
732251
oct17527
912004
108023
116034
124787
133862
142cd1
15259d
hex1f57

8023 has 4 divisors (see below), whose sum is σ = 8208. Its totient is φ = 7840.

The previous prime is 8017. The next prime is 8039. The reversal of 8023 is 3208.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8023 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 7994 and 8012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15 + ... + 127.

It is an arithmetic number, because the mean of its divisors is an integer number (2052).

28023 is an apocalyptic number.

8023 is a deficient number, since it is larger than the sum of its proper divisors (185).

8023 is a wasteful number, since it uses less digits than its factorization.

8023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 8023 is about 89.5712007288. The cubic root of 8023 is about 20.0191483279.

The spelling of 8023 in words is "eight thousand, twenty-three".

Divisors: 1 71 113 8023