Base | Representation |
---|---|
bin | 110111111001… |
… | …1000010100111 |
3 | 2001010221201012 |
4 | 1233303002213 |
5 | 30000311142 |
6 | 2524052435 |
7 | 504051200 |
oct | 157630247 |
9 | 61127635 |
10 | 29307047 |
11 | 155a7900 |
12 | 999411b |
13 | 60c1763 |
14 | 3c6c5a7 |
15 | 288d882 |
hex | 1bf30a7 |
29307047 has 18 divisors (see below), whose sum is σ = 37480464. Its totient is φ = 22832040.
The previous prime is 29307043. The next prime is 29307053. The reversal of 29307047 is 74070392.
It is a happy number.
29307047 is nontrivially palindromic in base 15.
It is not a de Polignac number, because 29307047 - 22 = 29307043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29307041) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3458 + ... + 8400.
It is an arithmetic number, because the mean of its divisors is an integer number (2082248).
Almost surely, 229307047 is an apocalyptic number.
29307047 is a deficient number, since it is larger than the sum of its proper divisors (8173417).
29307047 is a wasteful number, since it uses less digits than its factorization.
29307047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4979 (or 4961 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 32.
The square root of 29307047 is about 5413.5983412145. The cubic root of 29307047 is about 308.3121834693.
The spelling of 29307047 in words is "twenty-nine million, three hundred seven thousand, forty-seven".
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