Base | Representation |
---|---|
bin | 10111001111000… |
… | …011011100100100 |
3 | 1000011112000120220 |
4 | 113033003130210 |
5 | 1244243302434 |
6 | 102403124340 |
7 | 12442302000 |
oct | 2717033444 |
9 | 1004460526 |
10 | 389822244 |
11 | 190054249 |
12 | aa6736b0 |
13 | 629b9b66 |
14 | 39ab5700 |
15 | 24352d49 |
hex | 173c3724 |
389822244 has 48 divisors (see below), whose sum is σ = 1060752000. Its totient is φ = 111376608.
The previous prime is 389822243. The next prime is 389822273. The reversal of 389822244 is 442228983.
It is a happy number.
It is a super-2 number, since 2×3898222442 = 303922763834391072, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 389822196 and 389822205.
It is not an unprimeable number, because it can be changed into a prime (389822243) 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, 43239 + ... + 51470.
It is an arithmetic number, because the mean of its divisors is an integer number (22099000).
Almost surely, 2389822244 is an apocalyptic number.
It is an amenable number.
389822244 is an abundant number, since it is smaller than the sum of its proper divisors (670929756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389822244 is a wasteful number, since it uses less digits than its factorization.
389822244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94737 (or 94721 counting only the distinct ones).
The product of its digits is 221184, while the sum is 42.
The square root of 389822244 is about 19743.9166327251. The cubic root of 389822244 is about 730.5033396099.
The spelling of 389822244 in words is "three hundred eighty-nine million, eight hundred twenty-two thousand, two hundred forty-four".
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