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17013289 = 26096521
BaseRepresentation
bin100000011100…
…1101000101001
31012000100211211
41000321220221
513323411124
61404353121
7264416266
oct100715051
935010754
1017013289
119670377
1258457a1
1336a8b47
14238c26d
151760e94
hex1039a29

17013289 has 4 divisors (see below), whose sum is σ = 17022420. Its totient is φ = 17004160.

The previous prime is 17013287. The next prime is 17013313. The reversal of 17013289 is 98231071.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98231071 = 127773473.

It can be written as a sum of positive squares in 2 ways, for example, as 12531600 + 4481689 = 3540^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 17013289 - 21 = 17013287 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17013289.

It is not an unprimeable number, because it can be changed into a prime (17013281) 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, 652 + ... + 5869.

It is an arithmetic number, because the mean of its divisors is an integer number (4255605).

Almost surely, 217013289 is an apocalyptic number.

17013289 is the 2609-th heptagonal number.

It is an amenable number.

17013289 is a deficient number, since it is larger than the sum of its proper divisors (9131).

17013289 is an equidigital number, since it uses as much as digits as its factorization.

17013289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 17013289 is about 4124.7168387660. The cubic root of 17013289 is about 257.1951411469.

The spelling of 17013289 in words is "seventeen million, thirteen thousand, two hundred eighty-nine".

Divisors: 1 2609 6521 17013289