Search a number
-
+
26116405 = 57746183
BaseRepresentation
bin110001110100…
…0000100110101
31211010211222021
41203220010311
523141211110
62331433141
7434662060
oct143500465
954124867
1026116405
1113818707
1288b57b1
1355453c3
14367b8d7
15245d2da
hex18e8135

26116405 has 8 divisors (see below), whose sum is σ = 35816832. Its totient is φ = 17908368.

The previous prime is 26116397. The next prime is 26116417. The reversal of 26116405 is 50461162.

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 26116405 - 23 = 26116397 is a prime.

It is a super-2 number, since 2×261164052 = 1364133220248050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26116405.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 373057 + ... + 373126.

It is an arithmetic number, because the mean of its divisors is an integer number (4477104).

Almost surely, 226116405 is an apocalyptic number.

It is an amenable number.

26116405 is a deficient number, since it is larger than the sum of its proper divisors (9700427).

26116405 is an equidigital number, since it uses as much as digits as its factorization.

26116405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746195.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26116405 is about 5110.4212155164. The cubic root of 26116405 is about 296.6910632352.

Adding to 26116405 its reverse (50461162), we get a palindrome (76577567).

The spelling of 26116405 in words is "twenty-six million, one hundred sixteen thousand, four hundred five".

Divisors: 1 5 7 35 746183 3730915 5223281 26116405