Base | Representation |
---|---|
bin | 101010111110110… |
… | …1110001010011110 |
3 | 10201111211112202221 |
4 | 1111331232022132 |
5 | 10423203240410 |
6 | 355040135554 |
7 | 50511602521 |
oct | 12575561236 |
9 | 3644745687 |
10 | 1442243230 |
11 | 68012175a |
12 | 3430075ba |
13 | 19ca4c37c |
14 | d978abb8 |
15 | 8693b4da |
hex | 55f6e29e |
1442243230 has 16 divisors (see below), whose sum is σ = 2599309440. Its totient is φ = 576170272.
The previous prime is 1442243149. The next prime is 1442243237. The reversal of 1442243230 is 323422441.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1442243195 and 1442243204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442243237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82510 + ... + 98449.
It is an arithmetic number, because the mean of its divisors is an integer number (162456840).
Almost surely, 21442243230 is an apocalyptic number.
1442243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1442243230 is a deficient number, since it is larger than the sum of its proper divisors (1157066210).
1442243230 is a wasteful number, since it uses less digits than its factorization.
1442243230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181763.
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 1442243230 is about 37976.8775704375. The cubic root of 1442243230 is about 1129.8293082818.
Adding to 1442243230 its reverse (323422441), we get a palindrome (1765665671).
The spelling of 1442243230 in words is "one billion, four hundred forty-two million, two hundred forty-three thousand, two hundred thirty".
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