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26087 = 191373
BaseRepresentation
bin110010111100111
31022210012
412113213
51313322
6320435
7136025
oct62747
938705
1026087
1118666
121311b
13bb49
149715
157ae2
hex65e7

26087 has 4 divisors (see below), whose sum is σ = 27480. Its totient is φ = 24696.

The previous prime is 26083. The next prime is 26099. The reversal of 26087 is 78062.

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 26087 - 22 = 26083 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 (26083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (6870).

226087 is an apocalyptic number.

26087 is a deficient number, since it is larger than the sum of its proper divisors (1393).

26087 is a wasteful number, since it uses less digits than its factorization.

26087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 26087 is about 161.5147052129. The cubic root of 26087 is about 29.6579671219.

The spelling of 26087 in words is "twenty-six thousand, eighty-seven".

Divisors: 1 19 1373 26087