Base | Representation |
---|---|
bin | 101001010000100… |
… | …1101100100011100 |
3 | 10120111001201222010 |
4 | 1102201031210130 |
5 | 10313404004134 |
6 | 345213151220 |
7 | 46210346343 |
oct | 12241154434 |
9 | 3514051863 |
10 | 1384438044 |
11 | 65052a880 |
12 | 32778b510 |
13 | 190a90412 |
14 | d1c20b5a |
15 | 8181dce9 |
hex | 5284d91c |
1384438044 has 48 divisors (see below), whose sum is σ = 3731325696. Its totient is φ = 394848000.
The previous prime is 1384438039. The next prime is 1384438093. The reversal of 1384438044 is 4408344831.
It is a junction number, because it is equal to n+sod(n) for n = 1384437993 and 1384438011.
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 15 ways as a sum of consecutive naturals, for example, 306232 + ... + 310719.
It is an arithmetic number, because the mean of its divisors is an integer number (77735952).
Almost surely, 21384438044 is an apocalyptic number.
It is an amenable number.
1384438044 is an abundant number, since it is smaller than the sum of its proper divisors (2346887652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1384438044 is a wasteful number, since it uses less digits than its factorization.
1384438044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 616986 (or 616984 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 39.
The square root of 1384438044 is about 37208.0373575388. The cubic root of 1384438044 is about 1114.5284912070.
The spelling of 1384438044 in words is "one billion, three hundred eighty-four million, four hundred thirty-eight thousand, forty-four".
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