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52543230 = 23510117341
BaseRepresentation
bin1100100001101…
…1111011111110
310122212110202120
43020123323332
5101422340410
65114103410
71205416155
oct310337376
9118773676
1052543230
1127728563
121571ab66
13ab68b8c
146d9a59c
15492d570
hex321befe

52543230 has 32 divisors (see below), whose sum is σ = 127359648. Its totient is φ = 13872000.

The previous prime is 52543207. The next prime is 52543237. The reversal of 52543230 is 3234525.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52543230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52543237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5641 + ... + 11700.

It is an arithmetic number, because the mean of its divisors is an integer number (3979989).

Almost surely, 252543230 is an apocalyptic number.

52543230 is an abundant number, since it is smaller than the sum of its proper divisors (74816418).

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

52543230 is a wasteful number, since it uses less digits than its factorization.

52543230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17452.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 52543230 is about 7248.6709126570. The cubic root of 52543230 is about 374.5463670225.

Adding to 52543230 its reverse (3234525), we get a palindrome (55777755).

The spelling of 52543230 in words is "fifty-two million, five hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1515 3030 17341 34682 52023 86705 104046 173410 260115 520230 1751441 3502882 5254323 8757205 10508646 17514410 26271615 52543230