Base | Representation |
---|---|
bin | 10001010110100… |
… | …111011001101110 |
3 | 202021211111200112 |
4 | 101112213121232 |
5 | 1044013004410 |
6 | 44520100022 |
7 | 10133442152 |
oct | 2126473156 |
9 | 667744615 |
10 | 291141230 |
11 | 13a383796 |
12 | 81604612 |
13 | 48418823 |
14 | 2a949062 |
15 | 1a85e105 |
hex | 115a766e |
291141230 has 8 divisors (see below), whose sum is σ = 524054232. Its totient is φ = 116456488.
The previous prime is 291141229. The next prime is 291141233. The reversal of 291141230 is 32141192.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 291141196 and 291141205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (291141233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14557052 + ... + 14557071.
It is an arithmetic number, because the mean of its divisors is an integer number (65506779).
Almost surely, 2291141230 is an apocalyptic number.
291141230 is a deficient number, since it is larger than the sum of its proper divisors (232913002).
291141230 is a wasteful number, since it uses less digits than its factorization.
291141230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29114130.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 291141230 is about 17062.8611317094. The cubic root of 291141230 is about 662.7777252584. Note that the first 4 decimals are identical.
The spelling of 291141230 in words is "two hundred ninety-one million, one hundred forty-one thousand, two hundred thirty".
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