Base | Representation |
---|---|
bin | 1010000111110… |
… | …1101110111011 |
3 | 2221220002111010 |
4 | 2201331232323 |
5 | 41332124133 |
6 | 4114005003 |
7 | 1023613245 |
oct | 241755673 |
9 | 87802433 |
10 | 42458043 |
11 | 21a6a3a1 |
12 | 12276763 |
13 | 8a47604 |
14 | 58d3095 |
15 | 3ada263 |
hex | 287dbbb |
42458043 has 8 divisors (see below), whose sum is σ = 56896000. Its totient is φ = 28162728.
The previous prime is 42458021. The next prime is 42458047. The reversal of 42458043 is 34085424.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42458043 - 26 = 42457979 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42458043.
It is not an unprimeable number, because it can be changed into a prime (42458047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34963 + ... + 36156.
It is an arithmetic number, because the mean of its divisors is an integer number (7112000).
Almost surely, 242458043 is an apocalyptic number.
42458043 is a deficient number, since it is larger than the sum of its proper divisors (14437957).
42458043 is a wasteful number, since it uses less digits than its factorization.
42458043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71321.
The product of its (nonzero) digits is 15360, while the sum is 30.
The square root of 42458043 is about 6515.9836555964. The cubic root of 42458043 is about 348.8617252297.
The spelling of 42458043 in words is "forty-two million, four hundred fifty-eight thousand, forty-three".
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