Base | Representation |
---|---|
bin | 10010010100010101110001 |
3 | 100000221222100 |
4 | 102110111301 |
5 | 2212130110 |
6 | 250531013 |
7 | 55546503 |
oct | 22242561 |
9 | 10027870 |
10 | 4801905 |
11 | 278a819 |
12 | 1736a69 |
13 | cc1884 |
14 | 8cdd73 |
15 | 64cbc0 |
hex | 494571 |
4801905 has 24 divisors (see below), whose sum is σ = 8814312. Its totient is φ = 2409984.
The previous prime is 4801903. The next prime is 4801921. The reversal of 4801905 is 5091084.
It can be written as a sum of positive squares in 4 ways, for example, as 2405601 + 2396304 = 1551^2 + 1548^2 .
It is not a de Polignac number, because 4801905 - 21 = 4801903 is a prime.
4801905 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (4801903) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2374 + ... + 3903.
It is an arithmetic number, because the mean of its divisors is an integer number (367263).
Almost surely, 24801905 is an apocalyptic number.
4801905 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4801905 is a deficient number, since it is larger than the sum of its proper divisors (4012407).
4801905 is a wasteful number, since it uses less digits than its factorization.
4801905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6305 (or 6302 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 4801905 is about 2191.3249416734. The cubic root of 4801905 is about 168.7088459314.
Adding to 4801905 its reverse (5091084), we get a palindrome (9892989).
The spelling of 4801905 in words is "four million, eight hundred one thousand, nine hundred five".
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