Base | Representation |
---|---|
bin | 1100100001001… |
… | …00100011110001 |
3 | 21022120220222221 |
4 | 12100210203301 |
5 | 203340213340 |
6 | 14230401041 |
7 | 2413355602 |
oct | 620444361 |
9 | 238526887 |
10 | 105007345 |
11 | 54301633 |
12 | 2b200181 |
13 | 189a7a31 |
14 | dd35da9 |
15 | 934344a |
hex | 64248f1 |
105007345 has 4 divisors (see below), whose sum is σ = 126008820. Its totient is φ = 84005872.
The previous prime is 105007337. The next prime is 105007379. The reversal of 105007345 is 543700501.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 62078641 + 42928704 = 7879^2 + 6552^2 .
It is a cyclic number.
It is not a de Polignac number, because 105007345 - 23 = 105007337 is a prime.
It is a super-2 number, since 2×1050073452 = 22053085007898050, which contains 22 as substring.
It is an unprimeable number.
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, 10500730 + ... + 10500739.
It is an arithmetic number, because the mean of its divisors is an integer number (31502205).
Almost surely, 2105007345 is an apocalyptic number.
It is an amenable number.
105007345 is a deficient number, since it is larger than the sum of its proper divisors (21001475).
105007345 is an equidigital number, since it uses as much as digits as its factorization.
105007345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21001474.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 105007345 is about 10247.3091589939. The cubic root of 105007345 is about 471.7803982394.
Adding to 105007345 its reverse (543700501), we get a palindrome (648707846).
The spelling of 105007345 in words is "one hundred five million, seven thousand, three hundred forty-five".
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