Base | Representation |
---|---|
bin | 10000111011110… |
… | …111110010010010 |
3 | 201210122022201000 |
4 | 100323313302102 |
5 | 1040214133300 |
6 | 44105522430 |
7 | 10020032442 |
oct | 2073676222 |
9 | 653568630 |
10 | 284130450 |
11 | 13642545a |
12 | 7b1a3416 |
13 | 46b32736 |
14 | 29a42122 |
15 | 19e26c00 |
hex | 10ef7c92 |
284130450 has 48 divisors (see below), whose sum is σ = 782940960. Its totient is φ = 75767760.
The previous prime is 284130439. The next prime is 284130461. The reversal of 284130450 is 54031482.
284130450 is a `hidden beast` number, since 2 + 84 + 130 + 450 = 666.
It is an interprime number because it is at equal distance from previous prime (284130439) and next prime (284130461).
It is a super-2 number, since 2×2841304502 = 161460225234405000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103884 + ... + 106583.
It is an arithmetic number, because the mean of its divisors is an integer number (16311270).
Almost surely, 2284130450 is an apocalyptic number.
284130450 is an abundant number, since it is smaller than the sum of its proper divisors (498810510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284130450 is a wasteful number, since it uses less digits than its factorization.
284130450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210488 (or 210477 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 284130450 is about 16856.1694936898. The cubic root of 284130450 is about 657.4144712778.
The spelling of 284130450 in words is "two hundred eighty-four million, one hundred thirty thousand, four hundred fifty".
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