Base | Representation |
---|---|
bin | 110111010100… |
… | …1100010100110 |
3 | 2000120122201221 |
4 | 1232221202212 |
5 | 24411142430 |
6 | 2513410554 |
7 | 501355366 |
oct | 156514246 |
9 | 60518657 |
10 | 29005990 |
11 | 154116a2 |
12 | 9869a5a |
13 | 6017710 |
14 | 3bd09a6 |
15 | 282e57a |
hex | 1ba98a6 |
29005990 has 64 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 10036224.
The previous prime is 29005981. The next prime is 29006009. The reversal of 29005990 is 9950092.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266056 + ... + 266164.
It is an arithmetic number, because the mean of its divisors is an integer number (935550).
Almost surely, 229005990 is an apocalyptic number.
29005990 is an abundant number, since it is smaller than the sum of its proper divisors (30869210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29005990 is a wasteful number, since it uses less digits than its factorization.
29005990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241.
The product of its (nonzero) digits is 7290, while the sum is 34.
The square root of 29005990 is about 5385.7209359565. The cubic root of 29005990 is about 307.2528341903.
The spelling of 29005990 in words is "twenty-nine million, five thousand, nine hundred ninety".
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