Base | Representation |
---|---|
bin | 101010111111001… |
… | …1100010110111100 |
3 | 10201112012011022212 |
4 | 1111332130112330 |
5 | 10423230314234 |
6 | 355044155552 |
7 | 50513321255 |
oct | 12576342674 |
9 | 3645164285 |
10 | 1442432444 |
11 | 680240932 |
12 | 343098bb8 |
13 | 19cab752b |
14 | d97d9b2c |
15 | 869775ce |
hex | 55f9c5bc |
1442432444 has 12 divisors (see below), whose sum is σ = 2577964704. Its totient is φ = 705871104.
The previous prime is 1442432429. The next prime is 1442432489. The reversal of 1442432444 is 4442342441.
It is a super-2 number, since 2×14424324442 = 4161222711007626272, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1442432444.
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, 3836069 + ... + 3836444.
It is an arithmetic number, because the mean of its divisors is an integer number (214830392).
Almost surely, 21442432444 is an apocalyptic number.
It is an amenable number.
1442432444 is a deficient number, since it is larger than the sum of its proper divisors (1135532260).
1442432444 is a wasteful number, since it uses less digits than its factorization.
1442432444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7672564 (or 7672562 counting only the distinct ones).
The product of its digits is 49152, while the sum is 32.
The square root of 1442432444 is about 37979.3686624725. The cubic root of 1442432444 is about 1129.8787151525.
Adding to 1442432444 its reverse (4442342441), we get a palindrome (5884774885).
The spelling of 1442432444 in words is "one billion, four hundred forty-two million, four hundred thirty-two thousand, four hundred forty-four".
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