Search a number
-
+
26889055 = 540113411
BaseRepresentation
bin110011010010…
…0101101011111
31212121002211221
41212210231133
523340422210
62400154211
7444360514
oct146445537
955532757
1026889055
11141a6166
129008967
135755cab
1437dd30b
1525621da
hex19a4b5f

26889055 has 8 divisors (see below), whose sum is σ = 32349744. Its totient is φ = 21456000.

The previous prime is 26889041. The next prime is 26889067. The reversal of 26889055 is 55098862.

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

It is a de Polignac number, because none of the positive numbers 2k-26889055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4701 + ... + 8710.

It is an arithmetic number, because the mean of its divisors is an integer number (4043718).

Almost surely, 226889055 is an apocalyptic number.

26889055 is a deficient number, since it is larger than the sum of its proper divisors (5460689).

26889055 is a wasteful number, since it uses less digits than its factorization.

26889055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 26889055 is about 5185.4657457166. The cubic root of 26889055 is about 299.5885284879.

The spelling of 26889055 in words is "twenty-six million, eight hundred eighty-nine thousand, fifty-five".

Divisors: 1 5 401 2005 13411 67055 5377811 26889055