Search a number
-
+
17240669 = 171014157
BaseRepresentation
bin100000111000…
…1001001011101
31012102220202022
41001301021131
513403200134
61413305525
7266354225
oct101611135
935386668
1017240669
119806196
1259352a5
1337584a4
14240b085
1517a852e
hex107125d

17240669 has 4 divisors (see below), whose sum is σ = 18254844. Its totient is φ = 16226496.

The previous prime is 17240653. The next prime is 17240687. The reversal of 17240669 is 96604271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96604271 = 276734913.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 10004569 = 2690^2 + 3163^2 .

It is a cyclic number.

It is not a de Polignac number, because 17240669 - 24 = 17240653 is a prime.

It is a super-2 number, since 2×172406692 = 594481335135122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17240689) 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 3 ways as a sum of consecutive naturals, for example, 507062 + ... + 507095.

It is an arithmetic number, because the mean of its divisors is an integer number (4563711).

Almost surely, 217240669 is an apocalyptic number.

It is an amenable number.

17240669 is a deficient number, since it is larger than the sum of its proper divisors (1014175).

17240669 is a wasteful number, since it uses less digits than its factorization.

17240669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014174.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 17240669 is about 4152.1884591141. The cubic root of 17240669 is about 258.3358654856.

The spelling of 17240669 in words is "seventeen million, two hundred forty thousand, six hundred sixty-nine".

Divisors: 1 17 1014157 17240669