Base | Representation |
---|---|
bin | 10110100100111… |
… | …100110011101000 |
3 | 222101202021100002 |
4 | 112210330303220 |
5 | 1233432110000 |
6 | 101330402132 |
7 | 12246422306 |
oct | 2644746350 |
9 | 871667302 |
10 | 378785000 |
11 | 1848a5860 |
12 | a6a30348 |
13 | 60624149 |
14 | 38441276 |
15 | 233c28d5 |
hex | 1693cce8 |
378785000 has 160 divisors (see below), whose sum is σ = 991932480. Its totient is φ = 134400000.
The previous prime is 378784981. The next prime is 378785023. The reversal of 378785000 is 587873.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3904952 + ... + 3905048.
It is an arithmetic number, because the mean of its divisors is an integer number (6199578).
Almost surely, 2378785000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 378785000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495966240).
378785000 is an abundant number, since it is smaller than the sum of its proper divisors (613147480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378785000 is a wasteful number, since it uses less digits than its factorization.
378785000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205 (or 186 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 38.
The square root of 378785000 is about 19462.3996464979. The cubic root of 378785000 is about 723.5428521349.
The spelling of 378785000 in words is "three hundred seventy-eight million, seven hundred eighty-five thousand".
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