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9165 = 351347
BaseRepresentation
bin10001111001101
3110120110
42033031
5243130
6110233
735502
oct21715
913513
109165
116982
125379
134230
1434a9
152ab0
hex23cd

9165 has 16 divisors (see below), whose sum is σ = 16128. Its totient is φ = 4416.

The previous prime is 9161. The next prime is 9173. The reversal of 9165 is 5619.

It can be divided in two parts, 9 and 165, that multiplied together give a triangular number (1485 = T54).

It is not a de Polignac number, because 9165 - 22 = 9161 is a prime.

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 (9161) 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, 172 + ... + 218.

It is an arithmetic number, because the mean of its divisors is an integer number (1008).

29165 is an apocalyptic number.

It is an amenable number.

9165 is a deficient number, since it is larger than the sum of its proper divisors (6963).

9165 is a wasteful number, since it uses less digits than its factorization.

9165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68.

The product of its digits is 270, while the sum is 21.

The square root of 9165 is about 95.7340064972. The cubic root of 9165 is about 20.9271854594.

The spelling of 9165 in words is "nine thousand, one hundred sixty-five".

Divisors: 1 3 5 13 15 39 47 65 141 195 235 611 705 1833 3055 9165