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52213270 = 255221327
BaseRepresentation
bin1100011100101…
…1011000010110
310122020201010211
43013023120112
5101331311040
65103040034
71202543164
oct307133026
9118221124
1052213270
112752266a
12155a001a
13aa81935
146d12234
1548b58ea
hex31cb616

52213270 has 8 divisors (see below), whose sum is σ = 93983904. Its totient is φ = 20885304.

The previous prime is 52213261. The next prime is 52213277. The reversal of 52213270 is 7231225.

52213270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52213277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610654 + ... + 2610673.

It is an arithmetic number, because the mean of its divisors is an integer number (11747988).

Almost surely, 252213270 is an apocalyptic number.

52213270 is a deficient number, since it is larger than the sum of its proper divisors (41770634).

52213270 is a wasteful number, since it uses less digits than its factorization.

52213270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221334.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52213270 is about 7225.8750335167. The cubic root of 52213270 is about 373.7606970015.

Adding to 52213270 its reverse (7231225), we get a palindrome (59444495).

The spelling of 52213270 in words is "fifty-two million, two hundred thirteen thousand, two hundred seventy".

Divisors: 1 2 5 10 5221327 10442654 26106635 52213270