Search a number
-
+
26279268 = 2232189939
BaseRepresentation
bin110010000111…
…1110101100100
31211110010101020
41210033311210
523211414033
62335131140
7436240641
oct144176544
954403336
1026279268
111391a004
128973ab0
1355a1582
1436c0dc8
1524916b3
hex190fd64

26279268 has 12 divisors (see below), whose sum is σ = 61318320. Its totient is φ = 8759752.

The previous prime is 26279243. The next prime is 26279269. The reversal of 26279268 is 86297262.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (26279269) 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 3 ways as a sum of consecutive naturals, for example, 1094958 + ... + 1094981.

It is an arithmetic number, because the mean of its divisors is an integer number (5109860).

Almost surely, 226279268 is an apocalyptic number.

It is an amenable number.

26279268 is an abundant number, since it is smaller than the sum of its proper divisors (35039052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26279268 is a wasteful number, since it uses less digits than its factorization.

26279268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189946 (or 2189944 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 26279268 is about 5126.3308515936. The cubic root of 26279268 is about 297.3065116647.

The spelling of 26279268 in words is "twenty-six million, two hundred seventy-nine thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2189939 4379878 6569817 8759756 13139634 26279268