Base | Representation |
---|---|
bin | 111000111111… |
… | …0111011101111 |
3 | 2002020001201102 |
4 | 1301332323233 |
5 | 30122130142 |
6 | 2544233315 |
7 | 511655561 |
oct | 161767357 |
9 | 62201642 |
10 | 29880047 |
11 | 1595935a |
12 | a00b83b |
13 | 6262502 |
14 | 3d7b331 |
15 | 2953532 |
hex | 1c7eeef |
29880047 has 2 divisors, whose sum is σ = 29880048. Its totient is φ = 29880046.
The previous prime is 29880017. The next prime is 29880073. The reversal of 29880047 is 74008892.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 29880047 - 28 = 29879791 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29880017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14940023 + 14940024.
It is an arithmetic number, because the mean of its divisors is an integer number (14940024).
Almost surely, 229880047 is an apocalyptic number.
29880047 is a deficient number, since it is larger than the sum of its proper divisors (1).
29880047 is an equidigital number, since it uses as much as digits as its factorization.
29880047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 29880047 is about 5466.2644465851. The cubic root of 29880047 is about 310.3085620009.
The spelling of 29880047 in words is "twenty-nine million, eight hundred eighty thousand, forty-seven".
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