Base | Representation |
---|---|
bin | 10111001110001… |
… | …010010110011110 |
3 | 1000011002010210100 |
4 | 113032022112132 |
5 | 1244213312012 |
6 | 102354121530 |
7 | 12440306121 |
oct | 2716122636 |
9 | 1004063710 |
10 | 389588382 |
11 | 18aa04577 |
12 | aa5802a6 |
13 | 62937591 |
14 | 39a543b8 |
15 | 243088dc |
hex | 1738a59e |
389588382 has 48 divisors (see below), whose sum is σ = 854485632. Its totient is φ = 128278080.
The previous prime is 389588357. The next prime is 389588383. The reversal of 389588382 is 283885983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389588383) 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, 641523 + ... + 642129.
It is an arithmetic number, because the mean of its divisors is an integer number (17801784).
Almost surely, 2389588382 is an apocalyptic number.
389588382 is an abundant number, since it is smaller than the sum of its proper divisors (464897250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389588382 is a wasteful number, since it uses less digits than its factorization.
389588382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 993 (or 990 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 54.
The square root of 389588382 is about 19737.9933630549. The cubic root of 389588382 is about 730.3572293003.
The spelling of 389588382 in words is "three hundred eighty-nine million, five hundred eighty-eight thousand, three hundred eighty-two".
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