| Base | Representation |
|---|---|
| bin | 1010010001111… |
| … | …1101011100000 |
| 3 | 10000010210102000 |
| 4 | 2210133223200 |
| 5 | 42014341001 |
| 6 | 4140124000 |
| 7 | 1032345204 |
| oct | 244375340 |
| 9 | 100123360 |
| 10 | 43121376 |
| 11 | 22382801 |
| 12 | 12536600 |
| 13 | 8c1a50c |
| 14 | 5a26b04 |
| 15 | 3bbba86 |
| hex | 291fae0 |
43121376 has 96 divisors (see below), whose sum is σ = 130183200. Its totient is φ = 13870080.
The previous prime is 43121371. The next prime is 43121413. The reversal of 43121376 is 67312134.
43121376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43121371) by changing a digit.
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, 24196 + ... + 25916.
It is an arithmetic number, because the mean of its divisors is an integer number (1356075).
Almost surely, 243121376 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 43121376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65091600).
43121376 is an abundant number, since it is smaller than the sum of its proper divisors (87061824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43121376 is a wasteful number, since it uses less digits than its factorization.
43121376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1769 (or 1755 counting only the distinct ones).
The product of its digits is 3024, while the sum is 27.
The square root of 43121376 is about 6566.6868358404. The cubic root of 43121376 is about 350.6691308233.
The spelling of 43121376 in words is "forty-three million, one hundred twenty-one thousand, three hundred seventy-six".
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