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BaseRepresentation
bin1101110011001
3100200200
41232121
5211230
652413
726412
oct15631
910620
107065
115343
124109
1332a6
142809
152160
hex1b99

7065 has 12 divisors (see below), whose sum is σ = 12324. Its totient is φ = 3744.

The previous prime is 7057. The next prime is 7069. The reversal of 7065 is 5607.

7065 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 2304 + 4761 = 48^2 + 69^2 .

It is not a de Polignac number, because 7065 - 23 = 7057 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34 + ... + 123.

It is an arithmetic number, because the mean of its divisors is an integer number (1027).

It is an amenable number.

7065 is a deficient number, since it is larger than the sum of its proper divisors (5259).

7065 is a wasteful number, since it uses less digits than its factorization.

7065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 7065 is about 84.0535543567. The cubic root of 7065 is about 19.1883392737.

The spelling of 7065 in words is "seven thousand, sixty-five".

Divisors: 1 3 5 9 15 45 157 471 785 1413 2355 7065