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26288245 = 513738377
BaseRepresentation
bin110010001001…
…0000001110101
31211110120200201
41210102001311
523212210440
62335240501
7436306054
oct144220165
954416621
1026288245
1113925825
128979131
1355a5699
1436c439b
15249419a
hex1912075

26288245 has 8 divisors (see below), whose sum is σ = 31776984. Its totient is φ = 20876544.

The previous prime is 26288243. The next prime is 26288281. The reversal of 26288245 is 54288262.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 26286129 = 46^2 + 5127^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26288245 - 21 = 26288243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26288243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18504 + ... + 19873.

It is an arithmetic number, because the mean of its divisors is an integer number (3972123).

Almost surely, 226288245 is an apocalyptic number.

It is an amenable number.

26288245 is a deficient number, since it is larger than the sum of its proper divisors (5488739).

26288245 is a wasteful number, since it uses less digits than its factorization.

26288245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38519.

The product of its digits is 61440, while the sum is 37.

The square root of 26288245 is about 5127.2063543415. The cubic root of 26288245 is about 297.3403611198.

The spelling of 26288245 in words is "twenty-six million, two hundred eighty-eight thousand, two hundred forty-five".

Divisors: 1 5 137 685 38377 191885 5257649 26288245