Base | Representation |
---|---|
bin | 1010000010110… |
… | …0011001001001 |
3 | 2221021011110111 |
4 | 2200230121021 |
5 | 41240443443 |
6 | 4102514321 |
7 | 1021025020 |
oct | 240543111 |
9 | 87234414 |
10 | 42124873 |
11 | 2186204a |
12 | 121359a1 |
13 | 895ba7b |
14 | 58478b7 |
15 | 3a7169d |
hex | 282c649 |
42124873 has 8 divisors (see below), whose sum is σ = 48188160. Its totient is φ = 36072960.
The previous prime is 42124871. The next prime is 42124909. The reversal of 42124873 is 37842124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42124873 - 21 = 42124871 is a prime.
It is a super-2 number, since 2×421248732 = 3549009850532258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42124871) 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, 7728 + ... + 11998.
It is an arithmetic number, because the mean of its divisors is an integer number (6023520).
Almost surely, 242124873 is an apocalyptic number.
It is an amenable number.
42124873 is a deficient number, since it is larger than the sum of its proper divisors (6063287).
42124873 is a wasteful number, since it uses less digits than its factorization.
42124873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5687.
The product of its digits is 10752, while the sum is 31.
The square root of 42124873 is about 6490.3677091518. The cubic root of 42124873 is about 347.9468171910.
Adding to 42124873 its reverse (37842124), we get a palindrome (79966997).
The spelling of 42124873 in words is "forty-two million, one hundred twenty-four thousand, eight hundred seventy-three".
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