Base | Representation |
---|---|
bin | 10111000000010… |
… | …000111111101100 |
3 | 222220020001210202 |
4 | 113000100333230 |
5 | 1242300224310 |
6 | 102144053032 |
7 | 12364324526 |
oct | 2700207754 |
9 | 886201722 |
10 | 385945580 |
11 | 188946699 |
12 | a9304178 |
13 | 61c60487 |
14 | 39386a16 |
15 | 23d393a5 |
hex | 17010fec |
385945580 has 24 divisors (see below), whose sum is σ = 810857040. Its totient is φ = 154307520.
The previous prime is 385945579. The next prime is 385945607. The reversal of 385945580 is 85549583.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76166 + ... + 81074.
It is an arithmetic number, because the mean of its divisors is an integer number (33785710).
Almost surely, 2385945580 is an apocalyptic number.
It is an amenable number.
385945580 is an abundant number, since it is smaller than the sum of its proper divisors (424911460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385945580 is a wasteful number, since it uses less digits than its factorization.
385945580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8849 (or 8847 counting only the distinct ones).
The product of its (nonzero) digits is 864000, while the sum is 47.
The square root of 385945580 is about 19645.4977030362. The cubic root of 385945580 is about 728.0737230617.
The spelling of 385945580 in words is "three hundred eighty-five million, nine hundred forty-five thousand, five hundred eighty".
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