Base | Representation |
---|---|
bin | 1010000001001… |
… | …0100100101111 |
3 | 2221001210101200 |
4 | 2200102210233 |
5 | 41224102434 |
6 | 4100340543 |
7 | 1020104502 |
oct | 240224457 |
9 | 87053350 |
10 | 42019119 |
11 | 2179a64a |
12 | 120a4753 |
13 | 89228ac |
14 | 581b139 |
15 | 3a50199 |
hex | 281292f |
42019119 has 6 divisors (see below), whose sum is σ = 60694296. Its totient is φ = 28012740.
The previous prime is 42019097. The next prime is 42019123. The reversal of 42019119 is 91191024.
It is not a de Polignac number, because 42019119 - 28 = 42018863 is a prime.
It is a super-2 number, since 2×420191192 = 3531212723072322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42019092 and 42019101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42019129) 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 5 ways as a sum of consecutive naturals, for example, 2334387 + ... + 2334404.
It is an arithmetic number, because the mean of its divisors is an integer number (10115716).
Almost surely, 242019119 is an apocalyptic number.
42019119 is a deficient number, since it is larger than the sum of its proper divisors (18675177).
42019119 is a wasteful number, since it uses less digits than its factorization.
42019119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4668797 (or 4668794 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 27.
The square root of 42019119 is about 6482.2155934526. The cubic root of 42019119 is about 347.6554010535.
The spelling of 42019119 in words is "forty-two million, nineteen thousand, one hundred nineteen".
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