Base | Representation |
---|---|
bin | 110111100101… |
… | …1000010110011 |
3 | 2000211121222111 |
4 | 1233023002303 |
5 | 24430040334 |
6 | 2520350151 |
7 | 502466440 |
oct | 157130263 |
9 | 60747874 |
10 | 29143219 |
11 | 154a5806 |
12 | 9915357 |
13 | 6065011 |
14 | 3c289c7 |
15 | 285a064 |
hex | 1bcb0b3 |
29143219 has 8 divisors (see below), whose sum is σ = 35265888. Its totient is φ = 23510400.
The previous prime is 29143211. The next prime is 29143223. The reversal of 29143219 is 91234192.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29143219 - 23 = 29143211 is a prime.
It is a super-2 number, since 2×291432192 = 1698654427363922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29143211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122332 + ... + 122569.
It is an arithmetic number, because the mean of its divisors is an integer number (4408236).
Almost surely, 229143219 is an apocalyptic number.
29143219 is a deficient number, since it is larger than the sum of its proper divisors (6122669).
29143219 is a wasteful number, since it uses less digits than its factorization.
29143219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244925.
The product of its digits is 3888, while the sum is 31.
The square root of 29143219 is about 5398.4459800946. The cubic root of 29143219 is about 307.7366156433.
The spelling of 29143219 in words is "twenty-nine million, one hundred forty-three thousand, two hundred nineteen".
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