Base | Representation |
---|---|
bin | 110111111011… |
… | …0001101001001 |
3 | 2001011121111021 |
4 | 1233312031021 |
5 | 30001220014 |
6 | 2524232441 |
7 | 504134035 |
oct | 157661511 |
9 | 61147437 |
10 | 29320009 |
11 | 15606614 |
12 | 999b721 |
13 | 60c7624 |
14 | 3c731c5 |
15 | 2892624 |
hex | 1bf6349 |
29320009 has 8 divisors (see below), whose sum is σ = 30768192. Its totient is φ = 27886320.
The previous prime is 29320007. The next prime is 29320091. The reversal of 29320009 is 90002392.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29320009 - 21 = 29320007 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29320003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642 + ... + 7684.
It is an arithmetic number, because the mean of its divisors is an integer number (3846024).
Almost surely, 229320009 is an apocalyptic number.
It is an amenable number.
29320009 is a deficient number, since it is larger than the sum of its proper divisors (1448183).
29320009 is a wasteful number, since it uses less digits than its factorization.
29320009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7247.
The product of its (nonzero) digits is 972, while the sum is 25.
The square root of 29320009 is about 5414.7953793288. The cubic root of 29320009 is about 308.3576304853.
It can be divided in two parts, 293 and 20009, that added together give a palindrome (20302).
The spelling of 29320009 in words is "twenty-nine million, three hundred twenty thousand, nine".
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