Search a number
-
+
530522 = 2265261
BaseRepresentation
bin10000001100001011010
3222221201222
42001201122
5113434042
615212042
74336466
oct2014132
9887658
10530522
11332653
12217022
13157625
14db4a6
15a72d2
hex8185a

530522 has 4 divisors (see below), whose sum is σ = 795786. Its totient is φ = 265260.

The previous prime is 530513. The next prime is 530527. The reversal of 530522 is 225035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225035 = 545007.

It can be written as a sum of positive squares in only one way, i.e., 271441 + 259081 = 521^2 + 509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 530522.

It is not an unprimeable number, because it can be changed into a prime (530527) by changing a digit.

530522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132629 + ... + 132632.

2530522 is an apocalyptic number.

530522 is a deficient number, since it is larger than the sum of its proper divisors (265264).

530522 is a wasteful number, since it uses less digits than its factorization.

530522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265263.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 530522 is about 728.3694117685. The cubic root of 530522 is about 80.9532830239.

Adding to 530522 its reverse (225035), we get a palindrome (755557).

The spelling of 530522 in words is "five hundred thirty thousand, five hundred twenty-two".

Divisors: 1 2 265261 530522