Base | Representation |
---|---|
bin | 1010000110101… |
… | …1101011101101 |
3 | 2221202100001211 |
4 | 2201223223231 |
5 | 41322242414 |
6 | 4112234421 |
7 | 1023154555 |
oct | 241535355 |
9 | 87670054 |
10 | 42384109 |
11 | 21a19899 |
12 | 1223ba11 |
13 | 8a1ca71 |
14 | 58b4165 |
15 | 3ac33c4 |
hex | 286baed |
42384109 has 8 divisors (see below), whose sum is σ = 43960320. Its totient is φ = 40815600.
The previous prime is 42384107. The next prime is 42384137. The reversal of 42384109 is 90148324.
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 42384109 - 21 = 42384107 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42384107) 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, 10804 + ... + 14194.
It is an arithmetic number, because the mean of its divisors is an integer number (5495040).
Almost surely, 242384109 is an apocalyptic number.
It is an amenable number.
42384109 is a deficient number, since it is larger than the sum of its proper divisors (1576211).
42384109 is a wasteful number, since it uses less digits than its factorization.
42384109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3851.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 42384109 is about 6510.3079036248. The cubic root of 42384109 is about 348.6591116469.
The spelling of 42384109 in words is "forty-two million, three hundred eighty-four thousand, one hundred nine".
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