Base | Representation |
---|---|
bin | 1001110111111… |
… | …10010100100110 |
3 | 12202212020021010 |
4 | 10323332110212 |
5 | 132201040010 |
6 | 12115203050 |
7 | 2024022501 |
oct | 473762446 |
9 | 182766233 |
10 | 82830630 |
11 | 42834973 |
12 | 238a6486 |
13 | 1421190c |
14 | b002138 |
15 | 7412620 |
hex | 4efe526 |
82830630 has 32 divisors (see below), whose sum is σ = 210488544. Its totient is φ = 20788736.
The previous prime is 82830623. The next prime is 82830637. The reversal of 82830630 is 3603828.
82830630 = 10702 + 10712 + ... + 11372.
It is an interprime number because it is at equal distance from previous prime (82830623) and next prime (82830637).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82830637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80697 + ... + 81716.
It is an arithmetic number, because the mean of its divisors is an integer number (6577767).
Almost surely, 282830630 is an apocalyptic number.
82830630 is an abundant number, since it is smaller than the sum of its proper divisors (127657914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82830630 is a wasteful number, since it uses less digits than its factorization.
82830630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162440.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 82830630 is about 9101.1334458956. The cubic root of 82830630 is about 435.9101566976.
The spelling of 82830630 in words is "eighty-two million, eight hundred thirty thousand, six hundred thirty".
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