Base | Representation |
---|---|
bin | 1011100111001000101 |
3 | 201022221001 |
4 | 1130321011 |
5 | 44133420 |
6 | 12053301 |
7 | 3143200 |
oct | 1347105 |
9 | 638831 |
10 | 380485 |
11 | 23a956 |
12 | 164231 |
13 | 104251 |
14 | 9c937 |
15 | 77b0a |
hex | 5ce45 |
380485 has 12 divisors (see below), whose sum is σ = 531468. Its totient is φ = 260736.
The previous prime is 380483. The next prime is 380503. The reversal of 380485 is 584083.
It can be written as a sum of positive squares in 2 ways, for example, as 82369 + 298116 = 287^2 + 546^2 .
It is not a de Polignac number, because 380485 - 21 = 380483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380483) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532 + ... + 1021.
It is an arithmetic number, because the mean of its divisors is an integer number (44289).
2380485 is an apocalyptic number.
380485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
380485 is a deficient number, since it is larger than the sum of its proper divisors (150983).
380485 is a wasteful number, since it uses less digits than its factorization.
380485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1572 (or 1565 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 380485 is about 616.8346618017. The cubic root of 380485 is about 72.4623665169.
The spelling of 380485 in words is "three hundred eighty thousand, four hundred eighty-five".
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