Base | Representation |
---|---|
bin | 1011110111110011011 |
3 | 201202122010 |
4 | 1132332123 |
5 | 44422034 |
6 | 12201003 |
7 | 3210111 |
oct | 1367633 |
9 | 652563 |
10 | 389019 |
11 | 246304 |
12 | 169163 |
13 | 1080b7 |
14 | a1ab1 |
15 | 7a3e9 |
hex | 5ef9b |
389019 has 16 divisors (see below), whose sum is σ = 552960. Its totient is φ = 242880.
The previous prime is 389003. The next prime is 389023. The reversal of 389019 is 910983.
It is a happy number.
It is not a de Polignac number, because 389019 - 24 = 389003 is a prime.
It is a super-2 number, since 2×3890192 = 302671564722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (389029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327 + ... + 4415.
It is an arithmetic number, because the mean of its divisors is an integer number (34560).
2389019 is an apocalyptic number.
389019 is a deficient number, since it is larger than the sum of its proper divisors (163941).
389019 is a wasteful number, since it uses less digits than its factorization.
389019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170.
The product of its (nonzero) digits is 1944, while the sum is 30.
The square root of 389019 is about 623.7138767095. The cubic root of 389019 is about 73.0001251014. Note that the first 3 decimals are identical.
The spelling of 389019 in words is "three hundred eighty-nine thousand, nineteen".
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