Base | Representation |
---|---|
bin | 1010000100011… |
… | …0000101000101 |
3 | 2221110111210020 |
4 | 2201012011011 |
5 | 41302330320 |
6 | 4105045353 |
7 | 1021643532 |
oct | 241060505 |
9 | 87414706 |
10 | 42230085 |
11 | 219240a7 |
12 | 12186859 |
13 | 8997921 |
14 | 5873d89 |
15 | 3a92940 |
hex | 2846145 |
42230085 has 32 divisors (see below), whose sum is σ = 69683328. Its totient is φ = 21826560.
The previous prime is 42230063. The next prime is 42230087. The reversal of 42230085 is 58003224.
It is not a de Polignac number, because 42230085 - 214 = 42213701 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42230087) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150145 + ... + 150425.
It is an arithmetic number, because the mean of its divisors is an integer number (2177604).
Almost surely, 242230085 is an apocalyptic number.
It is an amenable number.
42230085 is a deficient number, since it is larger than the sum of its proper divisors (27453243).
42230085 is a wasteful number, since it uses less digits than its factorization.
42230085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 565.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 42230085 is about 6498.4678963583. The cubic root of 42230085 is about 348.2362562037.
The spelling of 42230085 in words is "forty-two million, two hundred thirty thousand, eighty-five".
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