Base | Representation |
---|---|
bin | 1111100100011100100111 |
3 | 21200100200201 |
4 | 33210130213 |
5 | 2021101242 |
6 | 223251331 |
7 | 46456156 |
oct | 17443447 |
9 | 7610621 |
10 | 4081447 |
11 | 23384a7 |
12 | 1449b47 |
13 | acb976 |
14 | 78359d |
15 | 5594b7 |
hex | 3e4727 |
4081447 has 8 divisors (see below), whose sum is σ = 4336560. Its totient is φ = 3830400.
The previous prime is 4081423. The next prime is 4081453. The reversal of 4081447 is 7441804.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4081447 - 211 = 4079399 is a prime.
It is a super-2 number, since 2×40814472 = 33316419227618, which contains 22 as substring.
4081447 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4081487) 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, 1197 + ... + 3097.
It is an arithmetic number, because the mean of its divisors is an integer number (542070).
Almost surely, 24081447 is an apocalyptic number.
4081447 is a deficient number, since it is larger than the sum of its proper divisors (255113).
4081447 is a wasteful number, since it uses less digits than its factorization.
4081447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2033.
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 4081447 is about 2020.2591417934. The cubic root of 4081447 is about 159.8102829479.
The spelling of 4081447 in words is "four million, eighty-one thousand, four hundred forty-seven".
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