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7994 = 27571
BaseRepresentation
bin1111100111010
3101222002
41330322
5223434
6101002
732210
oct17472
911862
107994
116008
124762
13383c
142cb0
15257e
hex1f3a

7994 has 8 divisors (see below), whose sum is σ = 13728. Its totient is φ = 3420.

The previous prime is 7993. The next prime is 8009. The reversal of 7994 is 4997.

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

It is a plaindrome in base 15.

It is a nialpdrome in base 7.

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 3 ways as a sum of consecutive naturals, for example, 272 + ... + 299.

It is an arithmetic number, because the mean of its divisors is an integer number (1716).

27994 is an apocalyptic number.

7994 is a deficient number, since it is larger than the sum of its proper divisors (5734).

7994 is a wasteful number, since it uses less digits than its factorization.

7994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its digits is 2268, while the sum is 29.

The square root of 7994 is about 89.4091717890. The cubic root of 7994 is about 19.9949987495.

It can be divided in two parts, 7 and 994, that added together give a palindrome (1001).

The spelling of 7994 in words is "seven thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 571 1142 3997 7994