Base | Representation |
---|---|
bin | 101010111110110… |
… | …1101011011010100 |
3 | 10201111211101122011 |
4 | 1111331231123110 |
5 | 10423203141322 |
6 | 355040114004 |
7 | 50511560650 |
oct | 12575553324 |
9 | 3644741564 |
10 | 1442240212 |
11 | 68011a466 |
12 | 343005904 |
13 | 19ca4ab9a |
14 | d9789a60 |
15 | 8693a677 |
hex | 55f6d6d4 |
1442240212 has 12 divisors (see below), whose sum is σ = 2884480480. Its totient is φ = 618102936.
The previous prime is 1442240197. The next prime is 1442240243. The reversal of 1442240212 is 2120422441.
1442240212 is an admirable number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 25754262 + ... + 25754317.
Almost surely, 21442240212 is an apocalyptic number.
It is an amenable number.
1442240212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442240212 is a wasteful number, since it uses less digits than its factorization.
1442240212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51508590 (or 51508588 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 1442240212 is about 37976.8378357124. The cubic root of 1442240212 is about 1129.8285201976.
Adding to 1442240212 its reverse (2120422441), we get a palindrome (3562662653).
The spelling of 1442240212 in words is "one billion, four hundred forty-two million, two hundred forty thousand, two hundred twelve".
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