Search a number
-
+
26245 = 529181
BaseRepresentation
bin110011010000101
31100000001
412122011
51314440
6321301
7136342
oct63205
940001
1026245
111879a
1213231
13bc3b
1497c9
157b9a
hex6685

26245 has 8 divisors (see below), whose sum is σ = 32760. Its totient is φ = 20160.

The previous prime is 26237. The next prime is 26249. The reversal of 26245 is 54262.

26245 is nontrivially palindromic in base 12.

It is a Cunningham number, because it is equal to 1622+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 26244 = 1^2 + 162^2 .

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

It is not a de Polignac number, because 26245 - 23 = 26237 is a prime.

It is a d-powerful number, because it can be written as 25 + 65 + 211 + 47 + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26249) 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 7 ways as a sum of consecutive naturals, for example, 55 + ... + 235.

It is an arithmetic number, because the mean of its divisors is an integer number (4095).

226245 is an apocalyptic number.

It is an amenable number.

26245 is a deficient number, since it is larger than the sum of its proper divisors (6515).

26245 is a wasteful number, since it uses less digits than its factorization.

26245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215.

The product of its digits is 480, while the sum is 19.

The square root of 26245 is about 162.0030863904. The cubic root of 26245 is about 29.7177226846.

The spelling of 26245 in words is "twenty-six thousand, two hundred forty-five".

Divisors: 1 5 29 145 181 905 5249 26245