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53230212 = 22327211231
BaseRepresentation
bin1100101100001…
…1101010000100
310201011101010100
43023003222010
5102111331322
65140524100
71214310060
oct313035204
9121141110
1053230212
1128057712
12159b0630
13b049789
1470d8aa0
154a16dac
hex32c3a84

53230212 has 36 divisors (see below), whose sum is σ = 153776896. Its totient is φ = 15208560.

The previous prime is 53230207. The next prime is 53230217. The reversal of 53230212 is 21203235.

It is an interprime number because it is at equal distance from previous prime (53230207) and next prime (53230217).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53230217) 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 11 ways as a sum of consecutive naturals, for example, 105364 + ... + 105867.

Almost surely, 253230212 is an apocalyptic number.

It is an amenable number.

53230212 is an abundant number, since it is smaller than the sum of its proper divisors (100546684).

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

53230212 is a wasteful number, since it uses less digits than its factorization.

53230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211248 (or 211243 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 53230212 is about 7295.9037822603. The cubic root of 53230212 is about 376.1716528000.

Adding to 53230212 its reverse (21203235), we get a palindrome (74433447).

The spelling of 53230212 in words is "fifty-three million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 211231 422462 633693 844924 1267386 1478617 1901079 2534772 2957234 3802158 4435851 5914468 7604316 8871702 13307553 17743404 26615106 53230212