Base | Representation |
---|---|
bin | 111000111001… |
… | …0101101110101 |
3 | 2002010112002000 |
4 | 1301302231311 |
5 | 30114030010 |
6 | 2543205513 |
7 | 511356642 |
oct | 161625565 |
9 | 62115060 |
10 | 29830005 |
11 | 159247a7 |
12 | 9ba6899 |
13 | 62457ba |
14 | 3d66dc9 |
15 | 29437c0 |
hex | 1c72b75 |
29830005 has 32 divisors (see below), whose sum is σ = 53721600. Its totient is φ = 15702336.
The previous prime is 29829997. The next prime is 29830027. The reversal of 29830005 is 50003892.
It is not a de Polignac number, because 29830005 - 23 = 29829997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9267 + ... + 12063.
It is an arithmetic number, because the mean of its divisors is an integer number (1678800).
Almost surely, 229830005 is an apocalyptic number.
It is an amenable number.
29830005 is a deficient number, since it is larger than the sum of its proper divisors (23891595).
29830005 is a wasteful number, since it uses less digits than its factorization.
29830005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2890 (or 2884 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 29830005 is about 5461.6851795028. The cubic root of 29830005 is about 310.1352340945.
Adding to 29830005 its reverse (50003892), we get a palindrome (79833897).
It can be divided in two parts, 298 and 30005, that added together give a palindrome (30303).
The spelling of 29830005 in words is "twenty-nine million, eight hundred thirty thousand, five".
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