Base | Representation |
---|---|
bin | 100000110010… |
… | …0110000101010 |
3 | 1012100100011002 |
4 | 1001210300222 |
5 | 13400034210 |
6 | 1412235002 |
7 | 266053262 |
oct | 101446052 |
9 | 35310132 |
10 | 17189930 |
11 | 978105a |
12 | 590ba62 |
13 | 373b374 |
14 | 23d67a2 |
15 | 17984a5 |
hex | 1064c2a |
17189930 has 16 divisors (see below), whose sum is σ = 31141800. Its totient is φ = 6831552.
The previous prime is 17189929. The next prime is 17189933. The reversal of 17189930 is 3998171.
It can be written as a sum of positive squares in 4 ways, for example, as 7524049 + 9665881 = 2743^2 + 3109^2 .
It is not an unprimeable number, because it can be changed into a prime (17189933) 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, 3905 + ... + 7044.
Almost surely, 217189930 is an apocalyptic number.
17189930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
17189930 is a deficient number, since it is larger than the sum of its proper divisors (13951870).
17189930 is a wasteful number, since it uses less digits than its factorization.
17189930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11113.
The product of its (nonzero) digits is 13608, while the sum is 38.
The square root of 17189930 is about 4146.0740466133. The cubic root of 17189930 is about 258.0821904276.
The spelling of 17189930 in words is "seventeen million, one hundred eighty-nine thousand, nine hundred thirty".
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