Base | Representation |
---|---|
bin | 10000111101101… |
… | …110110110010010 |
3 | 201211120002200020 |
4 | 100331232312102 |
5 | 1040330240010 |
6 | 44124204310 |
7 | 10024133316 |
oct | 2075566622 |
9 | 654502606 |
10 | 284618130 |
11 | 1367288a5 |
12 | 7b399696 |
13 | 46c736c4 |
14 | 29b2bb46 |
15 | 19ec1470 |
hex | 10f6ed92 |
284618130 has 32 divisors (see below), whose sum is σ = 705120768. Its totient is φ = 73449600.
The previous prime is 284618069. The next prime is 284618141. The reversal of 284618130 is 31816482.
It is a junction number, because it is equal to n+sod(n) for n = 284618091 and 284618100.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152091 + ... + 153950.
It is an arithmetic number, because the mean of its divisors is an integer number (22035024).
Almost surely, 2284618130 is an apocalyptic number.
284618130 is an abundant number, since it is smaller than the sum of its proper divisors (420502638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284618130 is a wasteful number, since it uses less digits than its factorization.
284618130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306082.
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 284618130 is about 16870.6292117396. The cubic root of 284618130 is about 657.7903838608.
The spelling of 284618130 in words is "two hundred eighty-four million, six hundred eighteen thousand, one hundred thirty".
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