Base | Representation |
---|---|
bin | 110111100100… |
… | …0000111001110 |
3 | 2000211000111212 |
4 | 1233020013032 |
5 | 24424144324 |
6 | 2520214422 |
7 | 502416440 |
oct | 157100716 |
9 | 60730455 |
10 | 29131214 |
11 | 15497792 |
12 | 990a412 |
13 | 605c708 |
14 | 3c24490 |
15 | 285670e |
hex | 1bc81ce |
29131214 has 8 divisors (see below), whose sum is σ = 49939248. Its totient is φ = 12484800.
The previous prime is 29131187. The next prime is 29131243. The reversal of 29131214 is 41213192.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×291312142 = 1697255258227592, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 29131214.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040387 + ... + 1040414.
It is an arithmetic number, because the mean of its divisors is an integer number (6242406).
Almost surely, 229131214 is an apocalyptic number.
29131214 is a deficient number, since it is larger than the sum of its proper divisors (20808034).
29131214 is a wasteful number, since it uses less digits than its factorization.
29131214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2080810.
The product of its digits is 432, while the sum is 23.
The square root of 29131214 is about 5397.3339715085. Note that the first 3 decimals coincide. The cubic root of 29131214 is about 307.6943544063.
The spelling of 29131214 in words is "twenty-nine million, one hundred thirty-one thousand, two hundred fourteen".
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