Base | Representation |
---|---|
bin | 10111001110010… |
… | …101101110010000 |
3 | 1000011011111200110 |
4 | 113032111232100 |
5 | 1244221304320 |
6 | 102355121320 |
7 | 12440561661 |
oct | 2716255620 |
9 | 1004144613 |
10 | 389634960 |
11 | 18aa36570 |
12 | aa5a3240 |
13 | 62952840 |
14 | 39a67368 |
15 | 243175e0 |
hex | 17395b90 |
389634960 has 160 divisors (see below), whose sum is σ = 1419159168. Its totient is φ = 87183360.
The previous prime is 389634953. The next prime is 389634977. The reversal of 389634960 is 69436983.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28644 + ... + 39996.
Almost surely, 2389634960 is an apocalyptic number.
389634960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 389634960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709579584).
389634960 is an abundant number, since it is smaller than the sum of its proper divisors (1029524208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389634960 is a wasteful number, since it uses less digits than its factorization.
389634960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11393 (or 11387 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 48.
The square root of 389634960 is about 19739.1732349660. The cubic root of 389634960 is about 730.3863345688.
The spelling of 389634960 in words is "three hundred eighty-nine million, six hundred thirty-four thousand, nine hundred sixty".
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