Base | Representation |
---|---|
bin | 1010000010110… |
… | …1111100010110 |
3 | 2221021111011122 |
4 | 2200231330112 |
5 | 41241144342 |
6 | 4103003542 |
7 | 1021052360 |
oct | 240557426 |
9 | 87244148 |
10 | 42131222 |
11 | 218668a1 |
12 | 121395b2 |
13 | 8961923 |
14 | 5849d30 |
15 | 3a734d2 |
hex | 282df16 |
42131222 has 8 divisors (see below), whose sum is σ = 72224976. Its totient is φ = 18056232.
The previous prime is 42131183. The next prime is 42131267. The reversal of 42131222 is 22213124.
42131222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 42131222.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504673 + ... + 1504700.
It is an arithmetic number, because the mean of its divisors is an integer number (9028122).
Almost surely, 242131222 is an apocalyptic number.
42131222 is a deficient number, since it is larger than the sum of its proper divisors (30093754).
42131222 is a wasteful number, since it uses less digits than its factorization.
42131222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3009382.
The product of its digits is 192, while the sum is 17.
The square root of 42131222 is about 6490.8568001459. The cubic root of 42131222 is about 347.9642969934.
Adding to 42131222 its reverse (22213124), we get a palindrome (64344346).
It can be divided in two parts, 4213122 and 2, that added together give a palindrome (4213124).
The spelling of 42131222 in words is "forty-two million, one hundred thirty-one thousand, two hundred twenty-two".
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