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17230639 = 172813607
BaseRepresentation
bin100000110111…
…0101100101111
31012102101222211
41001232230233
513402340024
61413151251
7266313046
oct101565457
935371884
1017230639
1197a96a8
12592b527
133753a5a
14240755d
1517a5594
hex106eb2f

17230639 has 8 divisors (see below), whose sum is σ = 18314208. Its totient is φ = 16154880.

The previous prime is 17230613. The next prime is 17230643. The reversal of 17230639 is 93603271.

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

It is a cyclic number.

It is not a de Polignac number, because 17230639 - 25 = 17230607 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 17230639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17230649) 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, 2974 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (2289276).

Almost surely, 217230639 is an apocalyptic number.

17230639 is a deficient number, since it is larger than the sum of its proper divisors (1083569).

17230639 is a wasteful number, since it uses less digits than its factorization.

17230639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 17230639 is about 4150.9804865839. The cubic root of 17230639 is about 258.2857589350.

The spelling of 17230639 in words is "seventeen million, two hundred thirty thousand, six hundred thirty-nine".

Divisors: 1 17 281 3607 4777 61319 1013567 17230639