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17144139 = 318131573
BaseRepresentation
bin100000101100…
…1100101001011
31012021000100010
41001121211023
513342103024
61411243003
7265502625
oct101314513
935230303
1017144139
11974a711
1258a9463
13372357c
1423c3c15
151789b29
hex105994b

17144139 has 8 divisors (see below), whose sum is σ = 22985872. Its totient is φ = 11365920.

The previous prime is 17144117. The next prime is 17144173. The reversal of 17144139 is 93144171.

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

It is not a de Polignac number, because 17144139 - 25 = 17144107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17144189) 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 7 ways as a sum of consecutive naturals, for example, 15244 + ... + 16329.

It is an arithmetic number, because the mean of its divisors is an integer number (2873234).

Almost surely, 217144139 is an apocalyptic number.

17144139 is a deficient number, since it is larger than the sum of its proper divisors (5841733).

17144139 is a wasteful number, since it uses less digits than its factorization.

17144139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31757.

The product of its digits is 3024, while the sum is 30.

The square root of 17144139 is about 4140.5481521171. The cubic root of 17144139 is about 257.8528245391.

The spelling of 17144139 in words is "seventeen million, one hundred forty-four thousand, one hundred thirty-nine".

Divisors: 1 3 181 543 31573 94719 5714713 17144139