Base | Representation |
---|---|
bin | 10001000010011… |
… | …101000110000010 |
3 | 201220212222220002 |
4 | 101002131012002 |
5 | 1041134344010 |
6 | 44210520002 |
7 | 10040510540 |
oct | 2102350602 |
9 | 656788802 |
10 | 285856130 |
11 | 1373a3a3a |
12 | 7b896002 |
13 | 472b8051 |
14 | 29d70d90 |
15 | 1a1681a5 |
hex | 1109d182 |
285856130 has 16 divisors (see below), whose sum is σ = 588047040. Its totient is φ = 98007792.
The previous prime is 285856111. The next prime is 285856133. The reversal of 285856130 is 31658582.
It is not an unprimeable number, because it can be changed into a prime (285856133) 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, 2041760 + ... + 2041899.
It is an arithmetic number, because the mean of its divisors is an integer number (36752940).
Almost surely, 2285856130 is an apocalyptic number.
285856130 is an abundant number, since it is smaller than the sum of its proper divisors (302190910).
285856130 is a wasteful number, since it uses less digits than its factorization.
285856130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4083673.
The product of its (nonzero) digits is 57600, while the sum is 38.
The square root of 285856130 is about 16907.2803844971. The cubic root of 285856130 is about 658.7427319836.
The spelling of 285856130 in words is "two hundred eighty-five million, eight hundred fifty-six thousand, one hundred thirty".
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