Base | Representation |
---|---|
bin | 10111000000011… |
… | …000001111100100 |
3 | 222220021120112022 |
4 | 113000120033210 |
5 | 1242302202033 |
6 | 102144442312 |
7 | 12364510220 |
oct | 2700301744 |
9 | 886246468 |
10 | 385975268 |
11 | 188966a28 |
12 | a9319398 |
13 | 61c70b43 |
14 | 39393780 |
15 | 23d43098 |
hex | 170183e4 |
385975268 has 72 divisors (see below), whose sum is σ = 822948672. Its totient is φ = 155046528.
The previous prime is 385975211. The next prime is 385975279. The reversal of 385975268 is 862579583.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871055 + ... + 871497.
Almost surely, 2385975268 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 385975268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411474336).
385975268 is an abundant number, since it is smaller than the sum of its proper divisors (436973404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385975268 is a wasteful number, since it uses less digits than its factorization.
385975268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 549 (or 518 counting only the distinct ones).
The product of its digits is 3628800, while the sum is 53.
The square root of 385975268 is about 19646.2532814784. The cubic root of 385975268 is about 728.0923910636.
The spelling of 385975268 in words is "three hundred eighty-five million, nine hundred seventy-five thousand, two hundred sixty-eight".
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