Base | Representation |
---|---|
bin | 1010101111111… |
… | …0001101111111 |
3 | 10010211101011010 |
4 | 2223332031333 |
5 | 43020101341 |
6 | 4250130303 |
7 | 1055120601 |
oct | 253761577 |
9 | 103741133 |
10 | 45081471 |
11 | 234a1416 |
12 | 13120993 |
13 | 9455736 |
14 | 5db7171 |
15 | 3e57716 |
hex | 2afe37f |
45081471 has 24 divisors (see below), whose sum is σ = 65458560. Its totient is φ = 27520560.
The previous prime is 45081461. The next prime is 45081479. The reversal of 45081471 is 17418054.
It is not a de Polignac number, because 45081471 - 211 = 45079423 is a prime.
It is a super-3 number, since 3×450814713 (a number of 24 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45081479) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54366 + ... + 55188.
It is an arithmetic number, because the mean of its divisors is an integer number (2727440).
Almost surely, 245081471 is an apocalyptic number.
45081471 is a deficient number, since it is larger than the sum of its proper divisors (20377089).
45081471 is a wasteful number, since it uses less digits than its factorization.
45081471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 907 (or 876 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 45081471 is about 6714.2736762810. The cubic root of 45081471 is about 355.9038555963.
The spelling of 45081471 in words is "forty-five million, eighty-one thousand, four hundred seventy-one".
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