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7995 = 351341
BaseRepresentation
bin1111100111011
3101222010
41330323
5223440
6101003
732211
oct17473
911863
107995
116009
124763
133840
142cb1
152580
hex1f3b

7995 has 16 divisors (see below), whose sum is σ = 14112. Its totient is φ = 3840.

The previous prime is 7993. The next prime is 8009. The reversal of 7995 is 5997.

It is a happy number.

7995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7995 - 21 = 7993 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 7 and 995 contains 7995 itself.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 215.

It is an arithmetic number, because the mean of its divisors is an integer number (882).

27995 is an apocalyptic number.

7995 is a deficient number, since it is larger than the sum of its proper divisors (6117).

7995 is a wasteful number, since it uses less digits than its factorization.

7995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62.

The product of its digits is 2835, while the sum is 30.

The square root of 7995 is about 89.4147638816. The cubic root of 7995 is about 19.9958324650.

The spelling of 7995 in words is "seven thousand, nine hundred ninety-five".

Divisors: 1 3 5 13 15 39 41 65 123 195 205 533 615 1599 2665 7995