Base | Representation |
---|---|
bin | 10001000000110… |
… | …000001011010000 |
3 | 201220001022220202 |
4 | 101000300023100 |
5 | 1041031110000 |
6 | 44153154332 |
7 | 10033642061 |
oct | 2100601320 |
9 | 656038822 |
10 | 285410000 |
11 | 137119837 |
12 | 7b6bb9a8 |
13 | 4718cc75 |
14 | 29c96568 |
15 | 1a0cadd5 |
hex | 110302d0 |
285410000 has 50 divisors (see below), whose sum is σ = 691030362. Its totient is φ = 114160000.
The previous prime is 285409939. The next prime is 285410011. The reversal of 285410000 is 14582.
It can be written as a sum of positive squares in 5 ways, for example, as 150013504 + 135396496 = 12248^2 + 11636^2 .
It is a tau number, because it is divible by the number of its divisors (50).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4271 + ... + 24270.
Almost surely, 2285410000 is an apocalyptic number.
285410000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
285410000 is an abundant number, since it is smaller than the sum of its proper divisors (405620362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285410000 is an equidigital number, since it uses as much as digits as its factorization.
285410000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28569 (or 28548 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 285410000 is about 16894.0818039928. The cubic root of 285410000 is about 658.3998579715.
Adding to 285410000 its reverse (14582), we get a palindrome (285424582).
The spelling of 285410000 in words is "two hundred eighty-five million, four hundred ten thousand".
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