Search a number
-
+
26530425 = 3252611933
BaseRepresentation
bin110010100110…
…1001001111001
31211220212220100
41211031021321
523242433200
62344350013
7441335115
oct145151171
954825810
1026530425
1113a80779
128a75309
13565b99c
143748745
1524e0d00
hex194d279

26530425 has 36 divisors (see below), whose sum is σ = 48322924. Its totient is φ = 13910400.

The previous prime is 26530417. The next prime is 26530429. The reversal of 26530425 is 52403562.

26530425 is a `hidden beast` number, since 2 + 653 + 0 + 4 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3143529 + 23386896 = 1773^2 + 4836^2 .

It is not a de Polignac number, because 26530425 - 23 = 26530417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26530429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12759 + ... + 14691.

Almost surely, 226530425 is an apocalyptic number.

26530425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26530425 is a deficient number, since it is larger than the sum of its proper divisors (21792499).

26530425 is a wasteful number, since it uses less digits than its factorization.

26530425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 26530425 is about 5150.7693600083. The cubic root of 26530425 is about 298.2506524377.

Adding to 26530425 its reverse (52403562), we get a palindrome (78933987).

The spelling of 26530425 in words is "twenty-six million, five hundred thirty thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 61 75 183 225 305 549 915 1525 1933 2745 4575 5799 9665 13725 17397 28995 48325 86985 117913 144975 353739 434925 589565 1061217 1768695 2947825 5306085 8843475 26530425