Base | Representation |
---|---|
bin | 10111001011111… |
… | …101101000110110 |
3 | 1000002222212011200 |
4 | 113023331220312 |
5 | 1244041341042 |
6 | 102333513330 |
7 | 12432355560 |
oct | 2713755066 |
9 | 1002885150 |
10 | 389012022 |
11 | 18a650543 |
12 | aa342846 |
13 | 62795139 |
14 | 39944330 |
15 | 24242c4c |
hex | 172fda36 |
389012022 has 48 divisors (see below), whose sum is σ = 965133312. Its totient is φ = 110931120.
The previous prime is 389012021. The next prime is 389012027. The reversal of 389012022 is 220210983.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389012021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69243 + ... + 74649.
It is an arithmetic number, because the mean of its divisors is an integer number (20106944).
Almost surely, 2389012022 is an apocalyptic number.
389012022 is an abundant number, since it is smaller than the sum of its proper divisors (576121290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389012022 is a wasteful number, since it uses less digits than its factorization.
389012022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5993 (or 5990 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 389012022 is about 19723.3876907594. The cubic root of 389012022 is about 729.9968862068.
The spelling of 389012022 in words is "three hundred eighty-nine million, twelve thousand, twenty-two".
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