Base | Representation |
---|---|
bin | 100010010101… |
… | …0000011110000 |
3 | 1020212101200222 |
4 | 1010222003300 |
5 | 14101414224 |
6 | 1441432212 |
7 | 305660330 |
oct | 104520360 |
9 | 36771628 |
10 | 17998064 |
11 | a183237 |
12 | 603b668 |
13 | 3962156 |
14 | 25670c0 |
15 | 18a7b5e |
hex | 112a0f0 |
17998064 has 20 divisors (see below), whose sum is σ = 39853104. Its totient is φ = 7713408.
The previous prime is 17998033. The next prime is 17998069. The reversal of 17998064 is 46089971.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17998069) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80237 + ... + 80460.
Almost surely, 217998064 is an apocalyptic number.
17998064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
17998064 is an abundant number, since it is smaller than the sum of its proper divisors (21855040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17998064 is a wasteful number, since it uses less digits than its factorization.
17998064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160712 (or 160706 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 17998064 is about 4242.4125211959. The cubic root of 17998064 is about 262.0647432408.
The spelling of 17998064 in words is "seventeen million, nine hundred ninety-eight thousand, sixty-four".
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