Base | Representation |
---|---|
bin | 111000100101… |
… | …1101010000010 |
3 | 2001211101121120 |
4 | 1301023222002 |
5 | 30043420033 |
6 | 2535533110 |
7 | 510122340 |
oct | 161135202 |
9 | 61741546 |
10 | 29670018 |
11 | 15825584 |
12 | 9b2a196 |
13 | 61baa31 |
14 | 3d24990 |
15 | 29111b3 |
hex | 1c4ba82 |
29670018 has 32 divisors (see below), whose sum is σ = 68449920. Its totient is φ = 8398080.
The previous prime is 29670013. The next prime is 29670029. The reversal of 29670018 is 81007692.
It is not an unprimeable number, because it can be changed into a prime (29670013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338 + ... + 7818.
It is an arithmetic number, because the mean of its divisors is an integer number (2139060).
Almost surely, 229670018 is an apocalyptic number.
29670018 is an abundant number, since it is smaller than the sum of its proper divisors (38779902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29670018 is a wasteful number, since it uses less digits than its factorization.
29670018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6602.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 29670018 is about 5447.0191848386. The cubic root of 29670018 is about 309.5797913951.
The spelling of 29670018 in words is "twenty-nine million, six hundred seventy thousand, eighteen".
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