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26261313 = 31359101113
BaseRepresentation
bin110010000101…
…1011101000001
31211102012202020
41210023131001
523210330223
62334512053
7436134411
oct144133501
954365666
1026261313
1113907571
128965629
135596350
1436b8641
15248b1e3
hex190b741

26261313 has 32 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 15590400.

The previous prime is 26261281. The next prime is 26261321. The reversal of 26261313 is 31316262.

It is a happy number.

It is not a de Polignac number, because 26261313 - 25 = 26261281 is a prime.

It is a super-3 number, since 3×262613133 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (26261383) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 232345 + ... + 232457.

It is an arithmetic number, because the mean of its divisors is an integer number (1220940).

Almost surely, 226261313 is an apocalyptic number.

It is an amenable number.

26261313 is a deficient number, since it is larger than the sum of its proper divisors (12808767).

26261313 is a wasteful number, since it uses less digits than its factorization.

26261313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its digits is 1296, while the sum is 24.

The square root of 26261313 is about 5124.5792998060. The cubic root of 26261313 is about 297.2387858485.

Adding to 26261313 its reverse (31316262), we get a palindrome (57577575).

The spelling of 26261313 in words is "twenty-six million, two hundred sixty-one thousand, three hundred thirteen".

Divisors: 1 3 13 39 59 101 113 177 303 339 767 1313 1469 2301 3939 4407 5959 6667 11413 17877 20001 34239 77467 86671 148369 232401 260013 445107 673367 2020101 8753771 26261313