Base | Representation |
---|---|
bin | 10000001001111100100 |
3 | 222220011200 |
4 | 2001033210 |
5 | 113420010 |
6 | 15202500 |
7 | 4333245 |
oct | 2011744 |
9 | 886150 |
10 | 529380 |
11 | 331805 |
12 | 216430 |
13 | 156c57 |
14 | daccc |
15 | a6cc0 |
hex | 813e4 |
529380 has 72 divisors (see below), whose sum is σ = 1710072. Its totient is φ = 132096.
The previous prime is 529357. The next prime is 529381. The reversal of 529380 is 83925.
It can be written as a sum of positive squares in 4 ways, for example, as 224676 + 304704 = 474^2 + 552^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (529381) by changing a digit.
529380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2974 + ... + 3146.
It is an arithmetic number, because the mean of its divisors is an integer number (23751).
2529380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 529380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855036).
529380 is an abundant number, since it is smaller than the sum of its proper divisors (1180692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
529380 is a wasteful number, since it uses less digits than its factorization.
529380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205 (or 200 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 529380 is about 727.5850465753. The cubic root of 529380 is about 80.8951547003.
It can be divided in two parts, 529 and 380, that added together give a palindrome (909).
The spelling of 529380 in words is "five hundred twenty-nine thousand, three hundred eighty".
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