Search a number
-
+
26148047 = 191376213
BaseRepresentation
bin110001110111…
…1110011001111
31211012110101012
41203233303033
523143214142
62332235435
7435153242
oct143576317
954173335
1026148047
111383a462
12890bb7b
135556923
143689259
152467882
hex18efccf

26148047 has 4 divisors (see below), whose sum is σ = 27524280. Its totient is φ = 24771816.

The previous prime is 26148041. The next prime is 26148049. The reversal of 26148047 is 74084162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26148047 - 214 = 26131663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26148041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688088 + ... + 688125.

It is an arithmetic number, because the mean of its divisors is an integer number (6881070).

Almost surely, 226148047 is an apocalyptic number.

26148047 is a deficient number, since it is larger than the sum of its proper divisors (1376233).

26148047 is a wasteful number, since it uses less digits than its factorization.

26148047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376232.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 26148047 is about 5113.5161092931. The cubic root of 26148047 is about 296.8108360981.

The spelling of 26148047 in words is "twenty-six million, one hundred forty-eight thousand, forty-seven".

Divisors: 1 19 1376213 26148047