Search a number
-
+
17247243 = 313442237
BaseRepresentation
bin100000111001…
…0110000001011
31012110020202210
41001302300023
513403402433
61413400203
7266412336
oct101626013
935406683
1017247243
119810122
125939063
13375b490
14240d61d
1517aa463
hex1072c0b

17247243 has 8 divisors (see below), whose sum is σ = 24765328. Its totient is φ = 10613664.

The previous prime is 17247229. The next prime is 17247271. The reversal of 17247243 is 34274271.

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

It is not a de Polignac number, because 17247243 - 25 = 17247211 is a prime.

It is a super-2 number, since 2×172472432 = 594934782202098, which contains 22 as substring.

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 17247243.

It is not an unprimeable number, because it can be changed into a prime (17247203) 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, 221080 + ... + 221157.

It is an arithmetic number, because the mean of its divisors is an integer number (3095666).

Almost surely, 217247243 is an apocalyptic number.

17247243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

17247243 is a deficient number, since it is larger than the sum of its proper divisors (7518085).

17247243 is a wasteful number, since it uses less digits than its factorization.

17247243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442253.

The product of its digits is 9408, while the sum is 30.

The square root of 17247243 is about 4152.9800143993. The cubic root of 17247243 is about 258.3686964654.

The spelling of 17247243 in words is "seventeen million, two hundred forty-seven thousand, two hundred forty-three".

Divisors: 1 3 13 39 442237 1326711 5749081 17247243