Base | Representation |
---|---|
bin | 10001000000000… |
… | …000110100110010 |
3 | 201212200110212102 |
4 | 101000000310302 |
5 | 1041003403200 |
6 | 44145100402 |
7 | 10032203450 |
oct | 2100006462 |
9 | 655613772 |
10 | 285216050 |
11 | 136aa7049 |
12 | 7b627702 |
13 | 471228c2 |
14 | 29c459d0 |
15 | 1a08d6d5 |
hex | 11000d32 |
285216050 has 24 divisors (see below), whose sum is σ = 606288576. Its totient is φ = 97788240.
The previous prime is 285216023. The next prime is 285216059. The reversal of 285216050 is 50612582.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (285216059) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407102 + ... + 407801.
It is an arithmetic number, because the mean of its divisors is an integer number (25262024).
Almost surely, 2285216050 is an apocalyptic number.
285216050 is an abundant number, since it is smaller than the sum of its proper divisors (321072526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285216050 is a wasteful number, since it uses less digits than its factorization.
285216050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 814922 (or 814917 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 285216050 is about 16888.3406526515. The cubic root of 285216050 is about 658.2506859164.
The spelling of 285216050 in words is "two hundred eighty-five million, two hundred sixteen thousand, fifty".
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