Base | Representation |
---|---|
bin | 1001110101010… |
… | …01010011110100 |
3 | 12202012112121110 |
4 | 10322221103310 |
5 | 132103414140 |
6 | 12103515020 |
7 | 2021042346 |
oct | 472512364 |
9 | 182175543 |
10 | 82482420 |
11 | 42617299 |
12 | 23758a70 |
13 | 1411c287 |
14 | ad51296 |
15 | 7394380 |
hex | 4ea94f4 |
82482420 has 48 divisors (see below), whose sum is σ = 243109440. Its totient is φ = 20837376.
The previous prime is 82482397. The next prime is 82482437. The reversal of 82482420 is 2428428.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
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, 35037 + ... + 37316.
It is an arithmetic number, because the mean of its divisors is an integer number (5064780).
Almost surely, 282482420 is an apocalyptic number.
It is an amenable number.
82482420 is an abundant number, since it is smaller than the sum of its proper divisors (160627020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82482420 is a wasteful number, since it uses less digits than its factorization.
82482420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72384 (or 72382 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 30.
The square root of 82482420 is about 9081.9832635829. The cubic root of 82482420 is about 435.2984607839.
The spelling of 82482420 in words is "eighty-two million, four hundred eighty-two thousand, four hundred twenty".
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