Base | Representation |
---|---|
bin | 10000111001110010101100 |
3 | 22100010012212 |
4 | 100321302230 |
5 | 2113243040 |
6 | 234545552 |
7 | 52443266 |
oct | 20716254 |
9 | 8303185 |
10 | 4431020 |
11 | 2557100 |
12 | 15982b8 |
13 | bc1b09 |
14 | 834b36 |
15 | 5c7d65 |
hex | 439cac |
4431020 has 36 divisors (see below), whose sum is σ = 10233552. Its totient is φ = 1610400.
The previous prime is 4431017. The next prime is 4431023. The reversal of 4431020 is 201344.
4431020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (4431017) and next prime (4431023).
It is a junction number, because it is equal to n+sod(n) for n = 4430986 and 4431004.
It is not an unprimeable number, because it can be changed into a prime (4431023) 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 11 ways as a sum of consecutive naturals, for example, 1505 + ... + 3335.
Almost surely, 24431020 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 4431020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5116776).
4431020 is an abundant number, since it is smaller than the sum of its proper divisors (5802532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4431020 is a wasteful number, since it uses less digits than its factorization.
4431020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1862 (or 1849 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 4431020 is about 2104.9988123512. The cubic root of 4431020 is about 164.2484337047.
Adding to 4431020 its reverse (201344), we get a palindrome (4632364).
The spelling of 4431020 in words is "four million, four hundred thirty-one thousand, twenty".
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