Base | Representation |
---|---|
bin | 1100100111111… |
… | …01001111000001 |
3 | 21101021000102110 |
4 | 12103331033001 |
5 | 204102113344 |
6 | 14301405533 |
7 | 2424043224 |
oct | 623751701 |
9 | 241230373 |
10 | 105894849 |
11 | 54858405 |
12 | 2b5698a9 |
13 | 18c28998 |
14 | 100c75bb |
15 | 946b3b9 |
hex | 64fd3c1 |
105894849 has 4 divisors (see below), whose sum is σ = 141193136. Its totient is φ = 70596564.
The previous prime is 105894827. The next prime is 105894881. The reversal of 105894849 is 948498501.
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: 948498501 = 3 ⋅316166167.
It is not a de Polignac number, because 105894849 - 27 = 105894721 is a prime.
It is a super-2 number, since 2×1058948492 = 22427438089465602, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105894798 and 105894807.
It is not an unprimeable number, because it can be changed into a prime (105894889) 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, 17649139 + ... + 17649144.
It is an arithmetic number, because the mean of its divisors is an integer number (35298284).
Almost surely, 2105894849 is an apocalyptic number.
It is an amenable number.
105894849 is a deficient number, since it is larger than the sum of its proper divisors (35298287).
105894849 is an equidigital number, since it uses as much as digits as its factorization.
105894849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35298286.
The product of its (nonzero) digits is 414720, while the sum is 48.
The square root of 105894849 is about 10290.5222899521. The cubic root of 105894849 is about 473.1058067469.
The spelling of 105894849 in words is "one hundred five million, eight hundred ninety-four thousand, eight hundred forty-nine".
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