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26868871 is a prime number
BaseRepresentation
bin110011001111…
…1110010000111
31212120002011101
41212133302013
523334300441
62355520531
7444244621
oct146376207
955502141
1026868871
1114191a87
128bb9147
135749a53
1437d5c11
15255b231
hex199fc87

26868871 has 2 divisors, whose sum is σ = 26868872. Its totient is φ = 26868870.

The previous prime is 26868841. The next prime is 26868887. The reversal of 26868871 is 17886862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26868871 - 211 = 26866823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26868811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13434435 + 13434436.

It is an arithmetic number, because the mean of its divisors is an integer number (13434436).

Almost surely, 226868871 is an apocalyptic number.

26868871 is a deficient number, since it is larger than the sum of its proper divisors (1).

26868871 is an equidigital number, since it uses as much as digits as its factorization.

26868871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 46.

The square root of 26868871 is about 5183.5191713738. The cubic root of 26868871 is about 299.5135486804.

Subtracting from 26868871 its reverse (17886862), we obtain a square (8982009 = 29972).

The spelling of 26868871 in words is "twenty-six million, eight hundred sixty-eight thousand, eight hundred seventy-one".