Base | Representation |
---|---|
bin | 1010000111010… |
… | …10001100001001 |
3 | 12220122120220022 |
4 | 11003222030021 |
5 | 133210022241 |
6 | 12230310225 |
7 | 2050113311 |
oct | 503521411 |
9 | 186576808 |
10 | 84845321 |
11 | 43990600 |
12 | 244b8375 |
13 | 14768942 |
14 | b3a8441 |
15 | 76ae54b |
hex | 50ea309 |
84845321 has 24 divisors (see below), whose sum is σ = 99718080. Its totient is φ = 71961120.
The previous prime is 84845303. The next prime is 84845347. The reversal of 84845321 is 12354848.
It is a de Polignac number, because none of the positive numbers 2k-84845321 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (84841321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119315 + ... + 120023.
It is an arithmetic number, because the mean of its divisors is an integer number (4154920).
Almost surely, 284845321 is an apocalyptic number.
It is an amenable number.
84845321 is a deficient number, since it is larger than the sum of its proper divisors (14872759).
84845321 is a wasteful number, since it uses less digits than its factorization.
84845321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 797 (or 786 counting only the distinct ones).
The product of its digits is 30720, while the sum is 35.
The square root of 84845321 is about 9211.1519909293. The cubic root of 84845321 is about 439.4161004822.
The spelling of 84845321 in words is "eighty-four million, eight hundred forty-five thousand, three hundred twenty-one".
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