Base | Representation |
---|---|
bin | 1010000001000… |
… | …00110100000101 |
3 | 12212002200102211 |
4 | 11000200310011 |
5 | 133002123420 |
6 | 12200503421 |
7 | 2040106453 |
oct | 500406405 |
9 | 185080384 |
10 | 84020485 |
11 | 4347791a |
12 | 2417ab71 |
13 | 1453a383 |
14 | b2319d3 |
15 | 7599e5a |
hex | 5020d05 |
84020485 has 16 divisors (see below), whose sum is σ = 103743360. Its totient is φ = 65298240.
The previous prime is 84020483. The next prime is 84020491. The reversal of 84020485 is 58402048.
It is not a de Polignac number, because 84020485 - 21 = 84020483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84020483) 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, 23656 + ... + 26974.
It is an arithmetic number, because the mean of its divisors is an integer number (6483960).
Almost surely, 284020485 is an apocalyptic number.
It is an amenable number.
84020485 is a deficient number, since it is larger than the sum of its proper divisors (19722875).
84020485 is a wasteful number, since it uses less digits than its factorization.
84020485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3468.
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 84020485 is about 9166.2688701565. The cubic root of 84020485 is about 437.9875120672.
The spelling of 84020485 in words is "eighty-four million, twenty thousand, four hundred eighty-five".
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