Base | Representation |
---|---|
bin | 1111010001010000001110 |
3 | 21112100211222 |
4 | 33101100032 |
5 | 2011042310 |
6 | 221443342 |
7 | 46011026 |
oct | 17212016 |
9 | 7470758 |
10 | 4002830 |
11 | 2294427 |
12 | 1410552 |
13 | aa1c50 |
14 | 762a86 |
15 | 541055 |
hex | 3d140e |
4002830 has 32 divisors (see below), whose sum is σ = 7959168. Its totient is φ = 1440000.
The previous prime is 4002829. The next prime is 4002833. The reversal of 4002830 is 382004.
It is a junction number, because it is equal to n+sod(n) for n = 4002799 and 4002808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4002833) 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, 4955 + ... + 5705.
It is an arithmetic number, because the mean of its divisors is an integer number (248724).
Almost surely, 24002830 is an apocalyptic number.
4002830 is a deficient number, since it is larger than the sum of its proper divisors (3956338).
4002830 is a wasteful number, since it uses less digits than its factorization.
4002830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 4002830 is about 2000.7073749052. The cubic root of 4002830 is about 158.7775325797. Note that the first 3 decimals are identical.
Adding to 4002830 its reverse (382004), we get a palindrome (4384834).
The spelling of 4002830 in words is "four million, two thousand, eight hundred thirty".
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