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26851087 is a prime number
BaseRepresentation
bin110011001101…
…1011100001111
31212112011202201
41212123130033
523333213322
62355302331
7444142024
oct146333417
955464681
1026851087
111417a68a
128baa9a7
135741923
1437cd54b
152555d27
hex199b70f

26851087 has 2 divisors, whose sum is σ = 26851088. Its totient is φ = 26851086.

The previous prime is 26851067. The next prime is 26851091. The reversal of 26851087 is 78015862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26851087 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 (26851067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13425543 + 13425544.

It is an arithmetic number, because the mean of its divisors is an integer number (13425544).

Almost surely, 226851087 is an apocalyptic number.

26851087 is a deficient number, since it is larger than the sum of its proper divisors (1).

26851087 is an equidigital number, since it uses as much as digits as its factorization.

26851087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 26851087 is about 5181.8034505373. The cubic root of 26851087 is about 299.4474533023.

The spelling of 26851087 in words is "twenty-six million, eight hundred fifty-one thousand, eighty-seven".