Base | Representation |
---|---|
bin | 1010011111100… |
… | …1001001101110 |
3 | 10001211001022100 |
4 | 2213321021232 |
5 | 42231342032 |
6 | 4211155530 |
7 | 1043045166 |
oct | 247711156 |
9 | 101731270 |
10 | 44012142 |
11 | 22930a79 |
12 | 128a5ba6 |
13 | 916cab5 |
14 | 5bb95a6 |
15 | 3ce597c |
hex | 29f926e |
44012142 has 12 divisors (see below), whose sum is σ = 95359680. Its totient is φ = 14670708.
The previous prime is 44012123. The next prime is 44012153. The reversal of 44012142 is 24121044.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2445119 = 44012142 / (4 + 4 + 0 + 1 + 2 + 1 + 4 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222542 + ... + 1222577.
It is an arithmetic number, because the mean of its divisors is an integer number (7946640).
Almost surely, 244012142 is an apocalyptic number.
44012142 is an abundant number, since it is smaller than the sum of its proper divisors (51347538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44012142 is a wasteful number, since it uses less digits than its factorization.
44012142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2445127 (or 2445124 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 44012142 is about 6634.1647552650. The cubic root of 44012142 is about 353.0673044016.
Adding to 44012142 its reverse (24121044), we get a palindrome (68133186).
The spelling of 44012142 in words is "forty-four million, twelve thousand, one hundred forty-two".
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