Base | Representation |
---|---|
bin | 1100100100001… |
… | …00111110000001 |
3 | 21100022222200201 |
4 | 12102010332001 |
5 | 203440332431 |
6 | 14243045201 |
7 | 2416622110 |
oct | 622047601 |
9 | 240288621 |
10 | 105402241 |
11 | 5455129a |
12 | 2b370801 |
13 | 18ab56b9 |
14 | ddd9c77 |
15 | 93c0461 |
hex | 6484f81 |
105402241 has 4 divisors (see below), whose sum is σ = 120459712. Its totient is φ = 90344772.
The previous prime is 105402239. The next prime is 105402251. The reversal of 105402241 is 142204501.
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, and also an emirpimes, since its reverse is a distinct semiprime: 142204501 = 883 ⋅161047.
It is not a de Polignac number, because 105402241 - 21 = 105402239 is a prime.
It is a super-2 number, since 2×1054022412 = 22219264815644162, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105402251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528725 + ... + 7528738.
It is an arithmetic number, because the mean of its divisors is an integer number (30114928).
Almost surely, 2105402241 is an apocalyptic number.
It is an amenable number.
105402241 is a deficient number, since it is larger than the sum of its proper divisors (15057471).
105402241 is an equidigital number, since it uses as much as digits as its factorization.
105402241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15057470.
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 105402241 is about 10266.5593554998. The cubic root of 105402241 is about 472.3710589440.
Adding to 105402241 its reverse (142204501), we get a palindrome (247606742).
The spelling of 105402241 in words is "one hundred five million, four hundred two thousand, two hundred forty-one".
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