Search a number
-
+
530542812 = 223367312037
BaseRepresentation
bin11111100111110…
…111000011011100
31100222022100220210
4133213313003130
52041304332222
6124351212420
716101353022
oct3747670334
91328270823
10530542812
11252528738
12129817110
1385bba177
1450666712
153189cd0c
hex1f9f70dc

530542812 has 24 divisors (see below), whose sum is σ = 1238373136. Its totient is φ = 176784768.

The previous prime is 530542787. The next prime is 530542823. The reversal of 530542812 is 218245035.

It is a self number, because there is not a number n which added to its sum of digits gives 530542812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38058 + ... + 50094.

Almost surely, 2530542812 is an apocalyptic number.

It is an amenable number.

530542812 is an abundant number, since it is smaller than the sum of its proper divisors (707830324).

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

530542812 is a wasteful number, since it uses less digits than its factorization.

530542812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15717 (or 15715 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 530542812 is about 23033.5149727522. The cubic root of 530542812 is about 809.5434158997.

Adding to 530542812 its reverse (218245035), we get a palindrome (748787847).

The spelling of 530542812 in words is "five hundred thirty million, five hundred forty-two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 3673 7346 11019 12037 14692 22038 24074 36111 44076 48148 72222 144444 44211901 88423802 132635703 176847604 265271406 530542812