Base | Representation |
---|---|
bin | 10111000000001… |
… | …001111111000110 |
3 | 222220011121102102 |
4 | 113000021333012 |
5 | 1242243314440 |
6 | 102143312102 |
7 | 12364145033 |
oct | 2700117706 |
9 | 886147372 |
10 | 385916870 |
11 | 188927069 |
12 | a92ab632 |
13 | 61c503a1 |
14 | 3937a38a |
15 | 23d30b15 |
hex | 17009fc6 |
385916870 has 8 divisors (see below), whose sum is σ = 694650384. Its totient is φ = 154366744.
The previous prime is 385916863. The next prime is 385916899. The reversal of 385916870 is 78619583.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19295834 + ... + 19295853.
It is an arithmetic number, because the mean of its divisors is an integer number (86831298).
Almost surely, 2385916870 is an apocalyptic number.
385916870 is a deficient number, since it is larger than the sum of its proper divisors (308733514).
385916870 is a wasteful number, since it uses less digits than its factorization.
385916870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38591694.
The product of its (nonzero) digits is 362880, while the sum is 47.
The square root of 385916870 is about 19644.7669876738. The cubic root of 385916870 is about 728.0556691218.
The spelling of 385916870 in words is "three hundred eighty-five million, nine hundred sixteen thousand, eight hundred seventy".
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