Base | Representation |
---|---|
bin | 1010000100011… |
… | …0000110101110 |
3 | 2221110111221010 |
4 | 2201012012232 |
5 | 41302331230 |
6 | 4105050050 |
7 | 1021644042 |
oct | 241060656 |
9 | 87414833 |
10 | 42230190 |
11 | 21924192 |
12 | 12186926 |
13 | 89979a2 |
14 | 5874022 |
15 | 3a929b0 |
hex | 28461ae |
42230190 has 32 divisors (see below), whose sum is σ = 101523456. Its totient is φ = 11242400.
The previous prime is 42230147. The next prime is 42230191. The reversal of 42230190 is 9103224.
It is a super-2 number, since 2×422301902 = 3566777894872200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42230191) 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 15 ways as a sum of consecutive naturals, for example, 33919 + ... + 35141.
It is an arithmetic number, because the mean of its divisors is an integer number (3172608).
Almost surely, 242230190 is an apocalyptic number.
42230190 is an abundant number, since it is smaller than the sum of its proper divisors (59293266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42230190 is a wasteful number, since it uses less digits than its factorization.
42230190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2384.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 42230190 is about 6498.4759751806. The cubic root of 42230190 is about 348.2365448192.
The spelling of 42230190 in words is "forty-two million, two hundred thirty thousand, one hundred ninety".
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