Base | Representation |
---|---|
bin | 1100100100011… |
… | …10101101011101 |
3 | 21100102000102111 |
4 | 12102032231131 |
5 | 203443122031 |
6 | 14243554021 |
7 | 2420146330 |
oct | 622165535 |
9 | 240360374 |
10 | 105442141 |
11 | 54579272 |
12 | 2b38b911 |
13 | 18aca8cc |
14 | 1000a617 |
15 | 93cc1b1 |
hex | 648eb5d |
105442141 has 4 divisors (see below), whose sum is σ = 120505312. Its totient is φ = 90378972.
The previous prime is 105442111. The next prime is 105442151. The reversal of 105442141 is 141244501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 105442141 - 27 = 105442013 is a prime.
It is a super-2 number, since 2×1054421412 = 22236090197327762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105442111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7531575 + ... + 7531588.
It is an arithmetic number, because the mean of its divisors is an integer number (30126328).
Almost surely, 2105442141 is an apocalyptic number.
It is an amenable number.
105442141 is a deficient number, since it is larger than the sum of its proper divisors (15063171).
105442141 is an equidigital number, since it uses as much as digits as its factorization.
105442141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15063170.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 105442141 is about 10268.5023737642. The cubic root of 105442141 is about 472.4306567518.
Adding to 105442141 its reverse (141244501), we get a palindrome (246686642).
The spelling of 105442141 in words is "one hundred five million, four hundred forty-two thousand, one hundred forty-one".
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