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18095 = 571147
BaseRepresentation
bin100011010101111
3220211012
410122233
51034340
6215435
7103520
oct43257
926735
1018095
1112660
12a57b
13830c
146847
155565
hex46af

18095 has 16 divisors (see below), whose sum is σ = 27648. Its totient is φ = 11040.

The previous prime is 18089. The next prime is 18097. The reversal of 18095 is 59081.

It can be divided in two parts, 1809 and 5, that multiplied together give a triangular number (9045 = T134).

It is not a de Polignac number, because 18095 - 28 = 17839 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18097) 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, 362 + ... + 408.

It is an arithmetic number, because the mean of its divisors is an integer number (1728).

218095 is an apocalyptic number.

18095 is the 110-th pentagonal number.

18095 is a deficient number, since it is larger than the sum of its proper divisors (9553).

18095 is a wasteful number, since it uses less digits than its factorization.

18095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 18095 is about 134.5176568336. The cubic root of 18095 is about 26.2534387030.

The spelling of 18095 in words is "eighteen thousand, ninety-five".

Divisors: 1 5 7 11 35 47 55 77 235 329 385 517 1645 2585 3619 18095