Base | Representation |
---|---|
bin | 10000111011110… |
… | …101110010000010 |
3 | 201210121220110000 |
4 | 100323311302002 |
5 | 1040213402432 |
6 | 44105420430 |
7 | 10016666505 |
oct | 2073656202 |
9 | 653556400 |
10 | 284122242 |
11 | 13641a278 |
12 | 7b19a716 |
13 | 46b2ba91 |
14 | 29a3d13c |
15 | 19e2457c |
hex | 10ef5c82 |
284122242 has 40 divisors (see below), whose sum is σ = 651465936. Its totient is φ = 92502648.
The previous prime is 284122213. The next prime is 284122249. The reversal of 284122242 is 242221482.
284122242 is a `hidden beast` number, since 2 + 8 + 412 + 2 + 242 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (284122249) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13428 + ... + 27359.
Almost surely, 2284122242 is an apocalyptic number.
284122242 is an abundant number, since it is smaller than the sum of its proper divisors (367343694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284122242 is a wasteful number, since it uses less digits than its factorization.
284122242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40844 (or 40835 counting only the distinct ones).
The product of its digits is 4096, while the sum is 27.
The square root of 284122242 is about 16855.9260202458. The cubic root of 284122242 is about 657.4081407232.
The spelling of 284122242 in words is "two hundred eighty-four million, one hundred twenty-two thousand, two hundred forty-two".
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