Base | Representation |
---|---|
bin | 1111111101110110001101 |
3 | 21212122101222 |
4 | 33331312031 |
5 | 2032413420 |
6 | 225413125 |
7 | 50401403 |
oct | 17756615 |
9 | 7778358 |
10 | 4185485 |
11 | 23a9687 |
12 | 149a1a5 |
13 | b37125 |
14 | 7ad473 |
15 | 57a225 |
hex | 3fdd8d |
4185485 has 16 divisors (see below), whose sum is σ = 5452272. Its totient is φ = 3072000.
The previous prime is 4185481. The next prime is 4185497. The reversal of 4185485 is 5845814.
It can be written as a sum of positive squares in 8 ways, for example, as 1247689 + 2937796 = 1117^2 + 1714^2 .
It is not a de Polignac number, because 4185485 - 22 = 4185481 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4185481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2885 + ... + 4085.
It is an arithmetic number, because the mean of its divisors is an integer number (340767).
Almost surely, 24185485 is an apocalyptic number.
It is an amenable number.
4185485 is a deficient number, since it is larger than the sum of its proper divisors (1266787).
4185485 is a wasteful number, since it uses less digits than its factorization.
4185485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1264.
The product of its digits is 25600, while the sum is 35.
The square root of 4185485 is about 2045.8457908650. The cubic root of 4185485 is about 161.1567856585.
The spelling of 4185485 in words is "four million, one hundred eighty-five thousand, four hundred eighty-five".
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