Base | Representation |
---|---|
bin | 1010001101000… |
… | …1010000000011 |
3 | 2222112110202001 |
4 | 2203101100003 |
5 | 41424101011 |
6 | 4125204431 |
7 | 1026536503 |
oct | 243212003 |
9 | 88473661 |
10 | 42800131 |
11 | 22183410 |
12 | 12400717 |
13 | 8b3722a |
14 | 5981a03 |
15 | 3b567c1 |
hex | 28d1403 |
42800131 has 8 divisors (see below), whose sum is σ = 46844928. Its totient is φ = 38781000.
The previous prime is 42800111. The next prime is 42800137. The reversal of 42800131 is 13100824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42800131 - 213 = 42791939 is a prime.
It is a super-2 number, since 2×428001312 = 3663702427234322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42800099 and 42800108.
It is not an unprimeable number, because it can be changed into a prime (42800137) 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, 2835 + ... + 9676.
It is an arithmetic number, because the mean of its divisors is an integer number (5855616).
Almost surely, 242800131 is an apocalyptic number.
42800131 is a deficient number, since it is larger than the sum of its proper divisors (4044797).
42800131 is a wasteful number, since it uses less digits than its factorization.
42800131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12833.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 42800131 is about 6542.1809054779. The cubic root of 42800131 is about 349.7961561321.
Adding to 42800131 its reverse (13100824), we get a palindrome (55900955).
The spelling of 42800131 in words is "forty-two million, eight hundred thousand, one hundred thirty-one".
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