Base | Representation |
---|---|
bin | 1010000000111… |
… | …01001110101001 |
3 | 12212001221021222 |
4 | 11000131032221 |
5 | 133001141201 |
6 | 12200311425 |
7 | 2040015605 |
oct | 500351651 |
9 | 185057258 |
10 | 84005801 |
11 | 43467890 |
12 | 24172575 |
13 | 14533799 |
14 | b22a505 |
15 | 759591b |
hex | 501d3a9 |
84005801 has 8 divisors (see below), whose sum is σ = 92365824. Its totient is φ = 75766320.
The previous prime is 84005773. The next prime is 84005819. The reversal of 84005801 is 10850048.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 84005801 - 222 = 79811497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (84005861) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28670 + ... + 31463.
It is an arithmetic number, because the mean of its divisors is an integer number (11545728).
Almost surely, 284005801 is an apocalyptic number.
It is an amenable number.
84005801 is a deficient number, since it is larger than the sum of its proper divisors (8360023).
84005801 is a wasteful number, since it uses less digits than its factorization.
84005801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60271.
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 84005801 is about 9165.4678549434. The cubic root of 84005801 is about 437.9619953403.
Adding to 84005801 its reverse (10850048), we get a palindrome (94855849).
The spelling of 84005801 in words is "eighty-four million, five thousand, eight hundred one".
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