Search a number
-
+
26974225 = 521975477
BaseRepresentation
bin110011011100…
…1100000010001
31212202102200101
41212321200101
523401133400
62402052401
7445164025
oct146714021
955672611
1026974225
1114254153
12904a101
1357859a5
143822385
15257c56a
hex19b9811

26974225 has 12 divisors (see below), whose sum is σ = 33623964. Its totient is φ = 21465920.

The previous prime is 26974219. The next prime is 26974231. The reversal of 26974225 is 52247962.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26974219) and next prime (26974231).

It can be written as a sum of positive squares in 6 ways, for example, as 7579009 + 19395216 = 2753^2 + 4404^2 .

It is not a de Polignac number, because 26974225 - 27 = 26974097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2187 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (2801997).

Almost surely, 226974225 is an apocalyptic number.

26974225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26974225 is a deficient number, since it is larger than the sum of its proper divisors (6649739).

26974225 is a wasteful number, since it uses less digits than its factorization.

26974225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684 (or 5679 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 26974225 is about 5193.6716299743. The cubic root of 26974225 is about 299.9045066437.

The spelling of 26974225 in words is "twenty-six million, nine hundred seventy-four thousand, two hundred twenty-five".

Divisors: 1 5 25 197 985 4925 5477 27385 136925 1078969 5394845 26974225