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26065 = 513401
BaseRepresentation
bin110010111010001
31022202101
412113101
51313230
6320401
7135664
oct62721
938671
1026065
1118646
1213101
13bb30
1496db
157aca
hex65d1

26065 has 8 divisors (see below), whose sum is σ = 33768. Its totient is φ = 19200.

The previous prime is 26053. The next prime is 26083. The reversal of 26065 is 56062.

It can be written as a sum of positive squares in 4 ways, for example, as 5329 + 20736 = 73^2 + 144^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-26065 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 265.

It is an arithmetic number, because the mean of its divisors is an integer number (4221).

226065 is an apocalyptic number.

It is an amenable number.

26065 is a deficient number, since it is larger than the sum of its proper divisors (7703).

26065 is a wasteful number, since it uses less digits than its factorization.

26065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 26065 is about 161.4465855941. The cubic root of 26065 is about 29.6496276069.

It can be divided in two parts, 260 and 65, that multiplied together give a square (16900 = 1302).

The spelling of 26065 in words is "twenty-six thousand, sixty-five".

Divisors: 1 5 13 65 401 2005 5213 26065