Base | Representation |
---|---|
bin | 1010010110000… |
… | …0000100111000 |
3 | 10000122012020012 |
4 | 2211200010320 |
5 | 42101311034 |
6 | 4145521052 |
7 | 1034524205 |
oct | 245400470 |
9 | 100565205 |
10 | 43385144 |
11 | 225429a0 |
12 | 12643188 |
13 | 8cb05aa |
14 | 5a94cac |
15 | 3c1ecce |
hex | 2960138 |
43385144 has 16 divisors (see below), whose sum is σ = 88742520. Its totient is φ = 19720480.
The previous prime is 43385143. The next prime is 43385159. The reversal of 43385144 is 44158334.
It is a self number, because there is not a number n which added to its sum of digits gives 43385144.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43385143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246419 + ... + 246594.
Almost surely, 243385144 is an apocalyptic number.
43385144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
43385144 is an abundant number, since it is smaller than the sum of its proper divisors (45357376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43385144 is a wasteful number, since it uses less digits than its factorization.
43385144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 493030 (or 493026 counting only the distinct ones).
The product of its digits is 23040, while the sum is 32.
The square root of 43385144 is about 6586.7400130869. The cubic root of 43385144 is about 351.3826774688.
The spelling of 43385144 in words is "forty-three million, three hundred eighty-five thousand, one hundred forty-four".
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