Search a number
-
+
17242429 = 971491193
BaseRepresentation
bin100000111000…
…1100100111101
31012110000011111
41001301210331
513403224204
61413322021
7266362321
oct101614475
935400144
1017242429
119807546
125936311
133759229
14240b981
1517a8d04
hex107193d

17242429 has 8 divisors (see below), whose sum is σ = 17551800. Its totient is φ = 16935936.

The previous prime is 17242399. The next prime is 17242451. The reversal of 17242429 is 92424271.

It can be written as a sum of positive squares in 4 ways, for example, as 416025 + 16826404 = 645^2 + 4102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17242429 - 213 = 17234237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17242429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17242469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13857 + ... + 15049.

It is an arithmetic number, because the mean of its divisors is an integer number (2193975).

Almost surely, 217242429 is an apocalyptic number.

It is an amenable number.

17242429 is a deficient number, since it is larger than the sum of its proper divisors (309371).

17242429 is a wasteful number, since it uses less digits than its factorization.

17242429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its digits is 8064, while the sum is 31.

The square root of 17242429 is about 4152.4003901358. The cubic root of 17242429 is about 258.3446558571.

It can be divided in two parts, 17242 and 429, that added together give a palindrome (17671).

The spelling of 17242429 in words is "seventeen million, two hundred forty-two thousand, four hundred twenty-nine".

Divisors: 1 97 149 1193 14453 115721 177757 17242429