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26155 = 55231
BaseRepresentation
bin110011000101011
31022212201
412120223
51314110
6321031
7136153
oct63053
938781
1026155
1118718
1213177
13bb9c
149763
157b3a
hex662b

26155 has 4 divisors (see below), whose sum is σ = 31392. Its totient is φ = 20920.

The previous prime is 26153. The next prime is 26161. The reversal of 26155 is 55162.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55162 = 227581.

It is not a de Polignac number, because 26155 - 21 = 26153 is a prime.

It is a Duffinian number.

26155 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (26153) 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, 2611 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (7848).

226155 is an apocalyptic number.

26155 is a deficient number, since it is larger than the sum of its proper divisors (5237).

26155 is an equidigital number, since it uses as much as digits as its factorization.

26155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236.

The product of its digits is 300, while the sum is 19.

The square root of 26155 is about 161.7250753594. The cubic root of 26155 is about 29.6837141987.

It can be divided in two parts, 26 and 155, that added together give a palindrome (181).

The spelling of 26155 in words is "twenty-six thousand, one hundred fifty-five".

Divisors: 1 5 5231 26155