Search a number
-
+
52725052 = 2243306541
BaseRepresentation
bin1100100100100…
…0010100111100
310200012201011201
43021020110330
5101444200202
65122025244
71210104232
oct311102474
9120181151
1052725052
1127842126
12157a8224
13ac00873
147006952
154967387
hex324853c

52725052 has 12 divisors (see below), whose sum is σ = 94414936. Its totient is φ = 25749360.

The previous prime is 52724953. The next prime is 52725059. The reversal of 52725052 is 25052725.

It is a super-2 number, since 2×527250522 = 5559862216805408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 52725052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52725059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153099 + ... + 153442.

Almost surely, 252725052 is an apocalyptic number.

It is an amenable number.

52725052 is a deficient number, since it is larger than the sum of its proper divisors (41689884).

52725052 is a wasteful number, since it uses less digits than its factorization.

52725052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306588 (or 306586 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 52725052 is about 7261.2018288986. The cubic root of 52725052 is about 374.9778997346.

Adding to 52725052 its reverse (25052725), we get a palindrome (77777777).

The spelling of 52725052 in words is "fifty-two million, seven hundred twenty-five thousand, fifty-two".

Divisors: 1 2 4 43 86 172 306541 613082 1226164 13181263 26362526 52725052