Base | Representation |
---|---|
bin | 11110101110011010010100 |
3 | 120011012120212 |
4 | 132232122110 |
5 | 4030220140 |
6 | 444344552 |
7 | 125314163 |
oct | 36563224 |
9 | 16135525 |
10 | 8054420 |
11 | 4601450 |
12 | 2845158 |
13 | 189013a |
14 | 10d93da |
15 | a91765 |
hex | 7ae694 |
8054420 has 48 divisors (see below), whose sum is σ = 19063296. Its totient is φ = 2832000.
The previous prime is 8054407. The next prime is 8054441. The reversal of 8054420 is 244508.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6230 + ... + 7410.
It is an arithmetic number, because the mean of its divisors is an integer number (397152).
Almost surely, 28054420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8054420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9531648).
8054420 is an abundant number, since it is smaller than the sum of its proper divisors (11008876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8054420 is a wasteful number, since it uses less digits than its factorization.
8054420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1232 (or 1230 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 8054420 is about 2838.0310075825. The cubic root of 8054420 is about 200.4524755574.
Adding to 8054420 its reverse (244508), we get a palindrome (8298928).
It can be divided in two parts, 805 and 4420, that added together give a palindrome (5225).
The spelling of 8054420 in words is "eight million, fifty-four thousand, four hundred twenty".
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