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17130689 is a prime number
BaseRepresentation
bin100000101011…
…0010011000001
31012020022212222
41001112103001
513341140224
61411100425
7265415462
oct101262301
935208788
1017130689
1197405a4
1258a1715
13371a404
1423bcd69
151785b5e
hex10564c1

17130689 has 2 divisors, whose sum is σ = 17130690. Its totient is φ = 17130688.

The previous prime is 17130643. The next prime is 17130703. The reversal of 17130689 is 98603171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16875664 + 255025 = 4108^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 17130689 - 28 = 17130433 is a prime.

It is a super-2 number, since 2×171306892 = 586921011229442, which contains 22 as substring.

It is equal to p1099187 and since 17130689 and 1099187 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (17130089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8565344 + 8565345.

It is an arithmetic number, because the mean of its divisors is an integer number (8565345).

Almost surely, 217130689 is an apocalyptic number.

It is an amenable number.

17130689 is a deficient number, since it is larger than the sum of its proper divisors (1).

17130689 is an equidigital number, since it uses as much as digits as its factorization.

17130689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 17130689 is about 4138.9236523521. The cubic root of 17130689 is about 257.7853762637.

The spelling of 17130689 in words is "seventeen million, one hundred thirty thousand, six hundred eighty-nine".