Search a number
-
+
530424 = 233253139
BaseRepresentation
bin10000001011111111000
3222221121100
42001133320
5113433144
615211400
74336266
oct2013770
9887540
10530424
11332574
12216b60
1315757b
14db436
15a7269
hex817f8

530424 has 48 divisors (see below), whose sum is σ = 1474200. Its totient is φ = 172224.

The previous prime is 530401. The next prime is 530429. The reversal of 530424 is 424035.

It is a happy number.

530424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 530397 and 530406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530429) 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, 3747 + ... + 3885.

2530424 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 530424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737100).

530424 is an abundant number, since it is smaller than the sum of its proper divisors (943776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530424 is a wasteful number, since it uses less digits than its factorization.

530424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 530424 is about 728.3021351060. The cubic root of 530424 is about 80.9482980530.

Adding to 530424 its reverse (424035), we get a palindrome (954459).

The spelling of 530424 in words is "five hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 53 72 106 139 159 212 278 318 417 424 477 556 636 834 954 1112 1251 1272 1668 1908 2502 3336 3816 5004 7367 10008 14734 22101 29468 44202 58936 66303 88404 132606 176808 265212 530424