Search a number
-
+
17169049 = 157109357
BaseRepresentation
bin100000101111…
…1101010011001
31012022021111201
41001133222121
513343402144
61411554201
7265635352
oct101375231
935267451
1017169049
1197673a7
1258bb961
133731a01
1423ccd29
1517921d4
hex105fa99

17169049 has 4 divisors (see below), whose sum is σ = 17278564. Its totient is φ = 17059536.

The previous prime is 17169041. The next prime is 17169077. The reversal of 17169049 is 94096171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94096171 = 137238167.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 15264649 = 1380^2 + 3907^2 .

It is a cyclic number.

It is not a de Polignac number, because 17169049 - 23 = 17169041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17168999 and 17169017.

It is not an unprimeable number, because it can be changed into a prime (17169041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54522 + ... + 54835.

It is an arithmetic number, because the mean of its divisors is an integer number (4319641).

Almost surely, 217169049 is an apocalyptic number.

It is an amenable number.

17169049 is a deficient number, since it is larger than the sum of its proper divisors (109515).

17169049 is a wasteful number, since it uses less digits than its factorization.

17169049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109514.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 17169049 is about 4143.5551160809. Note that the first 3 decimals coincide. The cubic root of 17169049 is about 257.9776486456.

The spelling of 17169049 in words is "seventeen million, one hundred sixty-nine thousand, forty-nine".

Divisors: 1 157 109357 17169049