Base | Representation |
---|---|
bin | 1100100010001… |
… | …01111011101011 |
3 | 21022211212111211 |
4 | 12101011323223 |
5 | 203404102133 |
6 | 14233333551 |
7 | 2414465254 |
oct | 621057353 |
9 | 238755454 |
10 | 105144043 |
11 | 54395304 |
12 | 2b2672b7 |
13 | 18a25014 |
14 | dd6db2b |
15 | 936dbcd |
hex | 6445eeb |
105144043 has 8 divisors (see below), whose sum is σ = 111206720. Its totient is φ = 99134280.
The previous prime is 105144019. The next prime is 105144071. The reversal of 105144043 is 340441501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 105144043 - 221 = 103046891 is a prime.
It is a super-2 number, since 2×1051440432 = 22110539556771698, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105147043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9105 + ... + 17122.
It is an arithmetic number, because the mean of its divisors is an integer number (13900840).
Almost surely, 2105144043 is an apocalyptic number.
105144043 is a deficient number, since it is larger than the sum of its proper divisors (6062677).
105144043 is a wasteful number, since it uses less digits than its factorization.
105144043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26457.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 105144043 is about 10253.9769358040. The cubic root of 105144043 is about 471.9850298685.
Adding to 105144043 its reverse (340441501), we get a palindrome (445585544).
The spelling of 105144043 in words is "one hundred five million, one hundred forty-four thousand, forty-three".
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