Search a number
-
+
52445212 = 2213111303
BaseRepresentation
bin1100100000010…
…0000000011100
310122200111022021
43020010000130
5101411221322
65112025524
71204530331
oct310040034
9118614267
1052445212
1127670956
12156922a4
13ab33391
146d72988
15490e4c7
hex320401c

52445212 has 6 divisors (see below), whose sum is σ = 91779128. Its totient is φ = 26222604.

The previous prime is 52445207. The next prime is 52445213. The reversal of 52445212 is 21254425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445213) by changing a digit.

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, 6555648 + ... + 6555655.

Almost surely, 252445212 is an apocalyptic number.

It is an amenable number.

52445212 is a deficient number, since it is larger than the sum of its proper divisors (39333916).

52445212 is a wasteful number, since it uses less digits than its factorization.

52445212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111307 (or 13111305 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 52445212 is about 7241.9066550184. The cubic root of 52445212 is about 374.3133199481.

Adding to 52445212 its reverse (21254425), we get a palindrome (73699637).

The spelling of 52445212 in words is "fifty-two million, four hundred forty-five thousand, two hundred twelve".

Divisors: 1 2 4 13111303 26222606 52445212