Base | Representation |
---|---|
bin | 1011110000111001101 |
3 | 201120210020 |
4 | 1132013031 |
5 | 44313420 |
6 | 12132353 |
7 | 3163602 |
oct | 1360715 |
9 | 646706 |
10 | 385485 |
11 | 243691 |
12 | 1670b9 |
13 | 1065c9 |
14 | a06a9 |
15 | 79340 |
hex | 5e1cd |
385485 has 16 divisors (see below), whose sum is σ = 637440. Its totient is φ = 198720.
The previous prime is 385481. The next prime is 385493. The reversal of 385485 is 584583.
It is a happy number.
It is not a de Polignac number, because 385485 - 22 = 385481 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385481) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 51 + ... + 879.
It is an arithmetic number, because the mean of its divisors is an integer number (39840).
2385485 is an apocalyptic number.
It is an amenable number.
385485 is a deficient number, since it is larger than the sum of its proper divisors (251955).
385485 is a wasteful number, since it uses less digits than its factorization.
385485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 868.
The product of its digits is 19200, while the sum is 33.
The square root of 385485 is about 620.8743834303. The cubic root of 385485 is about 72.7783984736.
The spelling of 385485 in words is "three hundred eighty-five thousand, four hundred eighty-five".
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