Base | Representation |
---|---|
bin | 111000111001… |
… | …0101110011111 |
3 | 2002010112010120 |
4 | 1301302232133 |
5 | 30114030142 |
6 | 2543210023 |
7 | 511360032 |
oct | 161625637 |
9 | 62115116 |
10 | 29830047 |
11 | 15924835 |
12 | 9ba6913 |
13 | 6245820 |
14 | 3d67019 |
15 | 29437ec |
hex | 1c72b9f |
29830047 has 16 divisors (see below), whose sum is σ = 43262688. Its totient is φ = 18172800.
The previous prime is 29830039. The next prime is 29830049. The reversal of 29830047 is 74003892.
It is not a de Polignac number, because 29830047 - 23 = 29830039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29830049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153 + ... + 7725.
It is an arithmetic number, because the mean of its divisors is an integer number (2703918).
Almost surely, 229830047 is an apocalyptic number.
29830047 is a deficient number, since it is larger than the sum of its proper divisors (13432641).
29830047 is a wasteful number, since it uses less digits than its factorization.
29830047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7690.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 29830047 is about 5461.6890244685. The cubic root of 29830047 is about 310.1353796490.
The spelling of 29830047 in words is "twenty-nine million, eight hundred thirty thousand, forty-seven".
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