Base | Representation |
---|---|
bin | 1010110000101… |
… | …0010100100101 |
3 | 10010220220011012 |
4 | 2230022110211 |
5 | 43023143140 |
6 | 4251152005 |
7 | 1055415251 |
oct | 254122445 |
9 | 103826135 |
10 | 45131045 |
11 | 23525693 |
12 | 13145605 |
13 | 947217b |
14 | 5dcb261 |
15 | 3e67265 |
hex | 2b0a525 |
45131045 has 8 divisors (see below), whose sum is σ = 55309824. Its totient is φ = 35336464.
The previous prime is 45131027. The next prime is 45131077. The reversal of 45131045 is 54013154.
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 45131045 - 216 = 45065509 is a prime.
It is a super-2 number, since 2×451310452 = 4073622445584050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 45131045.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 95789 + ... + 96258.
It is an arithmetic number, because the mean of its divisors is an integer number (6913728).
Almost surely, 245131045 is an apocalyptic number.
It is an amenable number.
45131045 is a deficient number, since it is larger than the sum of its proper divisors (10178779).
45131045 is a wasteful number, since it uses less digits than its factorization.
45131045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 192099.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 45131045 is about 6717.9643494142. The cubic root of 45131045 is about 356.0342647868.
Adding to 45131045 its reverse (54013154), we get a palindrome (99144199).
The spelling of 45131045 in words is "forty-five million, one hundred thirty-one thousand, forty-five".
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