Base | Representation |
---|---|
bin | 10000111111111… |
… | …101011010010000 |
3 | 201212122202200102 |
4 | 100333331122100 |
5 | 1041002431224 |
6 | 44144511532 |
7 | 10032114620 |
oct | 2077753220 |
9 | 655582612 |
10 | 285202064 |
11 | 136a97594 |
12 | 7b61b5a8 |
13 | 47119424 |
14 | 29c40880 |
15 | 1a0894ae |
hex | 10ffd690 |
285202064 has 40 divisors (see below), whose sum is σ = 668671488. Its totient is φ = 115038720.
The previous prime is 285202061. The next prime is 285202067. The reversal of 285202064 is 460202582.
It is an interprime number because it is at equal distance from previous prime (285202061) and next prime (285202067).
It is not an unprimeable number, because it can be changed into a prime (285202061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72992 + ... + 76799.
Almost surely, 2285202064 is an apocalyptic number.
It is an amenable number.
285202064 is an abundant number, since it is smaller than the sum of its proper divisors (383469424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285202064 is a wasteful number, since it uses less digits than its factorization.
285202064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149823 (or 149817 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 29.
The square root of 285202064 is about 16887.9265749233. The cubic root of 285202064 is about 658.2399263015.
The spelling of 285202064 in words is "two hundred eighty-five million, two hundred two thousand, sixty-four".
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