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17242713 = 34212873
BaseRepresentation
bin100000111000…
…1101001011001
31012110000120000
41001301221121
513403231323
61413323213
7266363205
oct101615131
935400500
1017242713
119807784
125936509
1337593b7
14240bb05
1517a8e43
hex1071a59

17242713 has 10 divisors (see below), whose sum is σ = 25757754. Its totient is φ = 11495088.

The previous prime is 17242711. The next prime is 17242717. The reversal of 17242713 is 31724271.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15468489 + 1774224 = 3933^2 + 1332^2 .

It is not a de Polignac number, because 17242713 - 21 = 17242711 is a prime.

It is a super-2 number, since 2×172427132 = 594622303200738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17242711) 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 9 ways as a sum of consecutive naturals, for example, 106356 + ... + 106517.

Almost surely, 217242713 is an apocalyptic number.

It is an amenable number.

17242713 is a deficient number, since it is larger than the sum of its proper divisors (8515041).

17242713 is an equidigital number, since it uses as much as digits as its factorization.

17242713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212885 (or 212876 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 17242713 is about 4152.4345870826. The cubic root of 17242713 is about 258.3460742473.

Adding to 17242713 its reverse (31724271), we get a palindrome (48966984).

It can be divided in two parts, 17242 and 713, that added together give a triangular number (17955 = T189).

The spelling of 17242713 in words is "seventeen million, two hundred forty-two thousand, seven hundred thirteen".

Divisors: 1 3 9 27 81 212873 638619 1915857 5747571 17242713