Base | Representation |
---|---|
bin | 110111010100… |
… | …1010111111001 |
3 | 2000120121210120 |
4 | 1232221113321 |
5 | 24411132210 |
6 | 2513403453 |
7 | 501353400 |
oct | 156512771 |
9 | 60517716 |
10 | 29005305 |
11 | 1541112a |
12 | 9869589 |
13 | 6017304 |
14 | 3bd0637 |
15 | 282e270 |
hex | 1ba95f9 |
29005305 has 96 divisors (see below), whose sum is σ = 59535360. Its totient is φ = 11975040.
The previous prime is 29005303. The next prime is 29005331. The reversal of 29005305 is 50350092.
It is not a de Polignac number, because 29005305 - 21 = 29005303 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (29005303) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 432882 + ... + 432948.
It is an arithmetic number, because the mean of its divisors is an integer number (620160).
Almost surely, 229005305 is an apocalyptic number.
It is an amenable number.
29005305 is an abundant number, since it is smaller than the sum of its proper divisors (30530055).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29005305 is a wasteful number, since it uses less digits than its factorization.
29005305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139 (or 132 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 29005305 is about 5385.6573414951. The cubic root of 29005305 is about 307.2504154962.
Adding to 29005305 its reverse (50350092), we get a palindrome (79355397).
The spelling of 29005305 in words is "twenty-nine million, five thousand, three hundred five".
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