Base | Representation |
---|---|
bin | 1010010001111… |
… | …1011001011100 |
3 | 10000010201211012 |
4 | 2210133121130 |
5 | 42014321340 |
6 | 4140114352 |
7 | 1032341633 |
oct | 244373134 |
9 | 100121735 |
10 | 43120220 |
11 | 22381950 |
12 | 125359b8 |
13 | 8c19b30 |
14 | 5a2651a |
15 | 3bbb565 |
hex | 291f65c |
43120220 has 48 divisors (see below), whose sum is σ = 106390368. Its totient is φ = 14472960.
The previous prime is 43120219. The next prime is 43120237. The reversal of 43120220 is 2202134.
It is a junction number, because it is equal to n+sod(n) for n = 43120195 and 43120204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4679 + ... + 10398.
It is an arithmetic number, because the mean of its divisors is an integer number (2216466).
Almost surely, 243120220 is an apocalyptic number.
It is an amenable number.
43120220 is an abundant number, since it is smaller than the sum of its proper divisors (63270148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43120220 is a wasteful number, since it uses less digits than its factorization.
43120220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15110 (or 15108 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 43120220 is about 6566.5988152163. The cubic root of 43120220 is about 350.6659972101.
Adding to 43120220 its reverse (2202134), we get a palindrome (45322354).
It can be divided in two parts, 43120 and 220, that multiplied together give a square (9486400 = 30802).
The spelling of 43120220 in words is "forty-three million, one hundred twenty thousand, two hundred twenty".
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