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BaseRepresentation
bin1101111011101
3100210012
41233131
5212013
653005
726540
oct15735
910705
107133
1153a5
124165
133329
142857
1521a8
hex1bdd

7133 has 4 divisors (see below), whose sum is σ = 8160. Its totient is φ = 6108.

The previous prime is 7129. The next prime is 7151. The reversal of 7133 is 3317.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3317 = 31107.

It is a cyclic number.

It is not a de Polignac number, because 7133 - 22 = 7129 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7103) 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, 503 + ... + 516.

It is an arithmetic number, because the mean of its divisors is an integer number (2040).

27133 is an apocalyptic number.

It is an amenable number.

7133 is a deficient number, since it is larger than the sum of its proper divisors (1027).

7133 is a wasteful number, since it uses less digits than its factorization.

7133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its digits is 63, while the sum is 14.

The square root of 7133 is about 84.4570896965. The cubic root of 7133 is about 19.2497048361.

The spelling of 7133 in words is "seven thousand, one hundred thirty-three".

Divisors: 1 7 1019 7133