Base | Representation |
---|---|
bin | 1010110000011… |
… | …1111001010001 |
3 | 10010220101112001 |
4 | 2230013321101 |
5 | 43022333410 |
6 | 4251034001 |
7 | 1055344261 |
oct | 254077121 |
9 | 103811461 |
10 | 45121105 |
11 | 23519177 |
12 | 1313b901 |
13 | 946a7a3 |
14 | 5dc77a1 |
15 | 3e6433a |
hex | 2b07e51 |
45121105 has 8 divisors (see below), whose sum is σ = 56995200. Its totient is φ = 34196976.
The previous prime is 45121103. The next prime is 45121117. The reversal of 45121105 is 50112154.
45121105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 45121105 - 21 = 45121103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (45121103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237385 + ... + 237574.
It is an arithmetic number, because the mean of its divisors is an integer number (7124400).
Almost surely, 245121105 is an apocalyptic number.
It is an amenable number.
45121105 is a deficient number, since it is larger than the sum of its proper divisors (11874095).
45121105 is a wasteful number, since it uses less digits than its factorization.
45121105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474983.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 45121105 is about 6717.2245012356. The cubic root of 45121105 is about 356.0081243149.
Adding to 45121105 its reverse (50112154), we get a palindrome (95233259).
The spelling of 45121105 in words is "forty-five million, one hundred twenty-one thousand, one hundred five".
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