Base | Representation |
---|---|
bin | 1010001000101… |
… | …1101011010110 |
3 | 2221222222211111 |
4 | 2202023223112 |
5 | 41340441113 |
6 | 4115125234 |
7 | 1024241620 |
oct | 242135326 |
9 | 87888744 |
10 | 42515158 |
11 | 21aa92a4 |
12 | 122a381a |
13 | 8a675ca |
14 | 5909c10 |
15 | 3aec13d |
hex | 288bad6 |
42515158 has 8 divisors (see below), whose sum is σ = 72883152. Its totient is φ = 18220776.
The previous prime is 42515117. The next prime is 42515159. The reversal of 42515158 is 85151524.
42515158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42515159) by changing a digit.
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, 1518385 + ... + 1518412.
It is an arithmetic number, because the mean of its divisors is an integer number (9110394).
Almost surely, 242515158 is an apocalyptic number.
42515158 is a deficient number, since it is larger than the sum of its proper divisors (30367994).
42515158 is a wasteful number, since it uses less digits than its factorization.
42515158 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3036806.
The product of its digits is 8000, while the sum is 31.
The square root of 42515158 is about 6520.3648670914. The cubic root of 42515158 is about 349.0180859421.
It can be divided in two parts, 4251 and 5158, that added together give a square (9409 = 972).
The spelling of 42515158 in words is "forty-two million, five hundred fifteen thousand, one hundred fifty-eight".
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