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26725 = 521069
BaseRepresentation
bin110100001100101
31100122211
412201211
51323400
6323421
7140626
oct64145
940584
1026725
1119096
1213571
13c21a
149a4d
157dba
hex6865

26725 has 6 divisors (see below), whose sum is σ = 33170. Its totient is φ = 21360.

The previous prime is 26723. The next prime is 26729. The reversal of 26725 is 52762.

It can be written as a sum of positive squares in 3 ways, for example, as 1444 + 25281 = 38^2 + 159^2 .

It is not a de Polignac number, because 26725 - 21 = 26723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26696 and 26705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510 + ... + 559.

226725 is an apocalyptic number.

26725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26725 is a deficient number, since it is larger than the sum of its proper divisors (6445).

26725 is a wasteful number, since it uses less digits than its factorization.

26725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1074 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 26725 is about 163.4778272427. The cubic root of 26725 is about 29.8978003848.

It can be divided in two parts, 267 and 25, that added together give a palindrome (292).

The spelling of 26725 in words is "twenty-six thousand, seven hundred twenty-five".

Divisors: 1 5 25 1069 5345 26725