Base | Representation |
---|---|
bin | 10001000000110… |
… | …100011101010110 |
3 | 201220002012222110 |
4 | 101000310131112 |
5 | 1041032140132 |
6 | 44153411450 |
7 | 10034044161 |
oct | 2100643526 |
9 | 656065873 |
10 | 285427542 |
11 | 137130a34 |
12 | 7b709b86 |
13 | 47197c4a |
14 | 29c9cad8 |
15 | 1a0d11cc |
hex | 11034756 |
285427542 has 16 divisors (see below), whose sum is σ = 572553072. Its totient is φ = 94859520.
The previous prime is 285427531. The next prime is 285427573. The reversal of 285427542 is 245724582.
It is a self number, because there is not a number n which added to its sum of digits gives 285427542.
It is a congruent number.
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, 68559 + ... + 72602.
It is an arithmetic number, because the mean of its divisors is an integer number (35784567).
Almost surely, 2285427542 is an apocalyptic number.
285427542 is an abundant number, since it is smaller than the sum of its proper divisors (287125530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285427542 is a wasteful number, since it uses less digits than its factorization.
285427542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141503.
The product of its digits is 179200, while the sum is 39.
The square root of 285427542 is about 16894.6009719082. The cubic root of 285427542 is about 658.4133466529.
The spelling of 285427542 in words is "two hundred eighty-five million, four hundred twenty-seven thousand, five hundred forty-two".
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