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26857168 = 2413129121
BaseRepresentation
bin110011001110…
…0111011010000
31212112111002221
41212130323100
523333412133
62355350424
7444165532
oct146347320
955474087
1026857168
1114184208
128bb2414
135744620
1437d1852
152557a2d
hex199ced0

26857168 has 20 divisors (see below), whose sum is σ = 56038948. Its totient is φ = 12395520.

The previous prime is 26857157. The next prime is 26857189. The reversal of 26857168 is 86175862.

It can be written as a sum of positive squares in 2 ways, for example, as 5253264 + 21603904 = 2292^2 + 4648^2 .

It is a congruent number.

It is an unprimeable number.

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, 64353 + ... + 64768.

Almost surely, 226857168 is an apocalyptic number.

It is an amenable number.

26857168 is an abundant number, since it is smaller than the sum of its proper divisors (29181780).

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

26857168 is a wasteful number, since it uses less digits than its factorization.

26857168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129142 (or 129136 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 26857168 is about 5182.3901821457. The cubic root of 26857168 is about 299.4700570119.

The spelling of 26857168 in words is "twenty-six million, eight hundred fifty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 129121 258242 516484 1032968 1678573 2065936 3357146 6714292 13428584 26857168