Base | Representation |
---|---|
bin | 1010000111010… |
… | …0011111010110 |
3 | 2221211011112212 |
4 | 2201310133112 |
5 | 41324421212 |
6 | 4113113422 |
7 | 1023365000 |
oct | 241643726 |
9 | 87734485 |
10 | 42420182 |
11 | 21a43a02 |
12 | 12258872 |
13 | 8a332cc |
14 | 58c3370 |
15 | 3acde22 |
hex | 28747d6 |
42420182 has 16 divisors (see below), whose sum is σ = 74205600. Its totient is φ = 18179784.
The previous prime is 42420181. The next prime is 42420223. The reversal of 42420182 is 28102424.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42420181) 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, 30233 + ... + 31604.
It is an arithmetic number, because the mean of its divisors is an integer number (4637850).
Almost surely, 242420182 is an apocalyptic number.
42420182 is a deficient number, since it is larger than the sum of its proper divisors (31785418).
42420182 is an equidigital number, since it uses as much as digits as its factorization.
42420182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61860 (or 61846 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 42420182 is about 6513.0777670776. The cubic root of 42420182 is about 348.7579978724.
The spelling of 42420182 in words is "forty-two million, four hundred twenty thousand, one hundred eighty-two".
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