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53208212 = 2213302053
BaseRepresentation
bin1100101011111…
…0010010010100
310201010020221112
43022332102110
5102110130322
65140234152
71214155661
oct312762224
9121106845
1053208212
1128042132
121599b958
13b03c765
1470d0a68
154a105e2
hex32be494

53208212 has 6 divisors (see below), whose sum is σ = 93114378. Its totient is φ = 26604104.

The previous prime is 53208209. The next prime is 53208217. The reversal of 53208212 is 21280235.

53208212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53202436 + 5776 = 7294^2 + 76^2 .

It is a super-2 number, since 2×532082122 = 5662227648473888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53208217) 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 as a sum of consecutive naturals, namely, 6651023 + ... + 6651030.

It is an arithmetic number, because the mean of its divisors is an integer number (15519063).

Almost surely, 253208212 is an apocalyptic number.

It is an amenable number.

53208212 is a deficient number, since it is larger than the sum of its proper divisors (39906166).

53208212 is a wasteful number, since it uses less digits than its factorization.

53208212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302057 (or 13302055 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 53208212 is about 7294.3959311241. The cubic root of 53208212 is about 376.1198218539.

Adding to 53208212 its reverse (21280235), we get a palindrome (74488447).

The spelling of 53208212 in words is "fifty-three million, two hundred eight thousand, two hundred twelve".

Divisors: 1 2 4 13302053 26604106 53208212