Base | Representation |
---|---|
bin | 1011100111001110001 |
3 | 201022222200 |
4 | 1130321301 |
5 | 44134104 |
6 | 12053413 |
7 | 3143262 |
oct | 1347161 |
9 | 638880 |
10 | 380529 |
11 | 23a996 |
12 | 164269 |
13 | 104286 |
14 | 9c969 |
15 | 77b39 |
hex | 5ce71 |
380529 has 6 divisors (see below), whose sum is σ = 549666. Its totient is φ = 253680.
The previous prime is 380503. The next prime is 380533. The reversal of 380529 is 925083.
It can be written as a sum of positive squares in only one way, i.e., 378225 + 2304 = 615^2 + 48^2 .
It is a de Polignac number, because none of the positive numbers 2k-380529 is a prime.
It is not an unprimeable number, because it can be changed into a prime (380129) 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 5 ways as a sum of consecutive naturals, for example, 21132 + ... + 21149.
It is an arithmetic number, because the mean of its divisors is an integer number (91611).
2380529 is an apocalyptic number.
It is an amenable number.
380529 is a deficient number, since it is larger than the sum of its proper divisors (169137).
380529 is a wasteful number, since it uses less digits than its factorization.
380529 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42287 (or 42284 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 380529 is about 616.8703267300. The cubic root of 380529 is about 72.4651596372.
It can be divided in two parts, 380 and 529, that added together give a palindrome (909).
The spelling of 380529 in words is "three hundred eighty thousand, five hundred twenty-nine".
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