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17000989 = 293118911
BaseRepresentation
bin100000011011…
…0101000011101
31011222201222021
41000312220131
513323012424
61404220141
7264335365
oct100665035
934881867
1017000989
119662105
12583a651
1336a3375
1423879a5
15175c4e4
hex1036a1d

17000989 has 8 divisors (see below), whose sum is σ = 18155520. Its totient is φ = 15884400.

The previous prime is 17000959. The next prime is 17000999. The reversal of 17000989 is 98900071.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17000989 - 25 = 17000957 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 (17000959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8557 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (2269440).

Almost surely, 217000989 is an apocalyptic number.

It is an amenable number.

17000989 is a deficient number, since it is larger than the sum of its proper divisors (1154531).

17000989 is a wasteful number, since it uses less digits than its factorization.

17000989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18971.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 17000989 is about 4123.2255577400. The cubic root of 17000989 is about 257.1331452387.

The spelling of 17000989 in words is "seventeen million, nine hundred eighty-nine", and thus it is an aban number.

Divisors: 1 29 31 899 18911 548419 586241 17000989