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17085479 = 41416719
BaseRepresentation
bin100000100101…
…1010000100111
31012011000212112
41001023100213
513333213404
61410111235
7265136615
oct101132047
935130775
1017085479
11970a634
12587b51b
133702968
1423aa6b5
15177756e
hex104b427

17085479 has 4 divisors (see below), whose sum is σ = 17502240. Its totient is φ = 16668720.

The previous prime is 17085457. The next prime is 17085517. The reversal of 17085479 is 97458071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97458071 = 307317453.

It is a cyclic number.

It is not a de Polignac number, because 17085479 - 224 = 308263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 416719 = 17085479 / (1 + 7 + 0 + 8 + 5 + 4 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17085179) 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, 208319 + ... + 208400.

It is an arithmetic number, because the mean of its divisors is an integer number (4375560).

Almost surely, 217085479 is an apocalyptic number.

17085479 is a deficient number, since it is larger than the sum of its proper divisors (416761).

17085479 is an equidigital number, since it uses as much as digits as its factorization.

17085479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416760.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 17085479 is about 4133.4584792883. The cubic root of 17085479 is about 257.5584006791.

The spelling of 17085479 in words is "seventeen million, eighty-five thousand, four hundred seventy-nine".

Divisors: 1 41 416719 17085479