Base | Representation |
---|---|
bin | 10000111111011… |
… | …011101101100110 |
3 | 201212101202100100 |
4 | 100333123231212 |
5 | 1040434022123 |
6 | 44141524530 |
7 | 10031001330 |
oct | 2077335546 |
9 | 655352310 |
10 | 285064038 |
11 | 136a02916 |
12 | 7b573746 |
13 | 4709b65c |
14 | 29c06450 |
15 | 1a05d643 |
hex | 10fdbb66 |
285064038 has 24 divisors (see below), whose sum is σ = 705873168. Its totient is φ = 81446832.
The previous prime is 285063979. The next prime is 285064057. The reversal of 285064038 is 830460582.
285064038 is a `hidden beast` number, since 2 + 8 + 5 + 0 + 640 + 3 + 8 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 285063993 and 285064011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1131081 + ... + 1131332.
It is an arithmetic number, because the mean of its divisors is an integer number (29411382).
Almost surely, 2285064038 is an apocalyptic number.
285064038 is an abundant number, since it is smaller than the sum of its proper divisors (420809130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285064038 is a wasteful number, since it uses less digits than its factorization.
285064038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2262428 (or 2262425 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 285064038 is about 16883.8395514764. The cubic root of 285064038 is about 658.1337222027.
The spelling of 285064038 in words is "two hundred eighty-five million, sixty-four thousand, thirty-eight".
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