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26842 = 213421
BaseRepresentation
bin110100011011010
31100211011
412203122
51324332
6324134
7141154
oct64332
940734
1026842
1119192
121364a
13c2aa
149ad4
157e47
hex68da

26842 has 4 divisors (see below), whose sum is σ = 40266. Its totient is φ = 13420.

The previous prime is 26839. The next prime is 26849. The reversal of 26842 is 24862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16641 + 10201 = 129^2 + 101^2 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (26849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6709 + ... + 6712.

226842 is an apocalyptic number.

26842 is a deficient number, since it is larger than the sum of its proper divisors (13424).

26842 is a wasteful number, since it uses less digits than its factorization.

26842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13423.

The product of its digits is 768, while the sum is 22.

The square root of 26842 is about 163.8352831352. The cubic root of 26842 is about 29.9413669617.

It can be divided in two parts, 26 and 842, that added together give a palindrome (868).

The spelling of 26842 in words is "twenty-six thousand, eight hundred forty-two".

Divisors: 1 2 13421 26842