Base | Representation |
---|---|
bin | 1010000011111… |
… | …1011110011001 |
3 | 2221102010200022 |
4 | 2200333132121 |
5 | 41300444113 |
6 | 4104320225 |
7 | 1021501625 |
oct | 240773631 |
9 | 87363608 |
10 | 42203033 |
11 | 21905844 |
12 | 12173075 |
13 | 8988512 |
14 | 5868185 |
15 | 3a89908 |
hex | 283f799 |
42203033 has 8 divisors (see below), whose sum is σ = 44375880. Its totient is φ = 40078080.
The previous prime is 42203023. The next prime is 42203053. The reversal of 42203033 is 33030224.
It can be written as a sum of positive squares in 4 ways, for example, as 1281424 + 40921609 = 1132^2 + 6397^2 .
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 42203033 - 24 = 42203017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42203003) 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, 10160 + ... + 13697.
It is an arithmetic number, because the mean of its divisors is an integer number (5546985).
Almost surely, 242203033 is an apocalyptic number.
It is an amenable number.
42203033 is a deficient number, since it is larger than the sum of its proper divisors (2172847).
42203033 is a wasteful number, since it uses less digits than its factorization.
42203033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23947.
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 42203033 is about 6496.3861492371. The cubic root of 42203033 is about 348.1618819003.
Adding to 42203033 its reverse (33030224), we get a palindrome (75233257).
The spelling of 42203033 in words is "forty-two million, two hundred three thousand, thirty-three".
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