Base | Representation |
---|---|
bin | 1010000001100… |
… | …1001010110011 |
3 | 2221010011110010 |
4 | 2200121022303 |
5 | 41230434011 |
6 | 4101110003 |
7 | 1020246321 |
oct | 240311263 |
9 | 87104403 |
10 | 42046131 |
11 | 21808976 |
12 | 120b8303 |
13 | 8931c8a |
14 | 5826d11 |
15 | 3a581a6 |
hex | 28192b3 |
42046131 has 8 divisors (see below), whose sum is σ = 57365440. Its totient is φ = 27378792.
The previous prime is 42046111. The next prime is 42046187. The reversal of 42046131 is 13164024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42046131 - 25 = 42046099 is a prime.
It is a super-3 number, since 3×420461313 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 42046098 and 42046107.
It is not an unprimeable number, because it can be changed into a prime (42046111) 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 7 ways as a sum of consecutive naturals, for example, 162841 + ... + 163098.
It is an arithmetic number, because the mean of its divisors is an integer number (7170680).
Almost surely, 242046131 is an apocalyptic number.
42046131 is a deficient number, since it is larger than the sum of its proper divisors (15319309).
42046131 is a wasteful number, since it uses less digits than its factorization.
42046131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325985.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 42046131 is about 6484.2988055764. The cubic root of 42046131 is about 347.7298818798.
The spelling of 42046131 in words is "forty-two million, forty-six thousand, one hundred thirty-one".
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