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17087 = 72441
BaseRepresentation
bin100001010111111
3212102212
410022333
51021322
6211035
7100550
oct41277
925385
1017087
1111924
129a7b
137a15
146327
1550e2
hex42bf

17087 has 4 divisors (see below), whose sum is σ = 19536. Its totient is φ = 14640.

The previous prime is 17077. The next prime is 17093. The reversal of 17087 is 78071.

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 17087 - 28 = 16831 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 (17027) 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, 1214 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (4884).

217087 is an apocalyptic number.

17087 is a deficient number, since it is larger than the sum of its proper divisors (2449).

17087 is an equidigital number, since it uses as much as digits as its factorization.

17087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 17087 is about 130.7172521131. The cubic root of 17087 is about 25.7566043323.

The spelling of 17087 in words is "seventeen thousand, eighty-seven".

Divisors: 1 7 2441 17087