Base | Representation |
---|---|
bin | 1010010001111… |
… | …0001001000000 |
3 | 10000010110202112 |
4 | 2210132021000 |
5 | 42014140242 |
6 | 4140034452 |
7 | 1032320630 |
oct | 244361100 |
9 | 100113675 |
10 | 43115072 |
11 | 22378aa0 |
12 | 12532a28 |
13 | 8c176a0 |
14 | 5a246c0 |
15 | 3bb9c82 |
hex | 291e240 |
43115072 has 112 divisors (see below), whose sum is σ = 115043712. Its totient is φ = 15482880.
The previous prime is 43115069. The next prime is 43115081. The reversal of 43115072 is 27051134.
It is a tau number, because it is divible by the number of its divisors (112).
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, 63728 + ... + 64400.
It is an arithmetic number, because the mean of its divisors is an integer number (1027176).
Almost surely, 243115072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 43115072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57521856).
43115072 is an abundant number, since it is smaller than the sum of its proper divisors (71928640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43115072 is a wasteful number, since it uses less digits than its factorization.
43115072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 716 (or 706 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 43115072 is about 6566.2068197705. The cubic root of 43115072 is about 350.6520416505.
The spelling of 43115072 in words is "forty-three million, one hundred fifteen thousand, seventy-two".
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