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38212 = 2241233
BaseRepresentation
bin1001010101000100
31221102021
421111010
52210322
6452524
7216256
oct112504
957367
1038212
1126789
121a144
1314515
14dcd6
15b4c7
hex9544

38212 has 12 divisors (see below), whose sum is σ = 68796. Its totient is φ = 18560.

The previous prime is 38201. The next prime is 38219. The reversal of 38212 is 21283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4356 + 33856 = 66^2 + 184^2 .

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (38219) by changing a digit.

38212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48 + ... + 280.

It is an arithmetic number, because the mean of its divisors is an integer number (5733).

238212 is an apocalyptic number.

It is an amenable number.

38212 is a deficient number, since it is larger than the sum of its proper divisors (30584).

38212 is a wasteful number, since it uses less digits than its factorization.

38212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 276 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 38212 is about 195.4788991170. The cubic root of 38212 is about 33.6821591062.

Adding to 38212 its reverse (21283), we get a palindrome (59495).

The spelling of 38212 in words is "thirty-eight thousand, two hundred twelve".

Divisors: 1 2 4 41 82 164 233 466 932 9553 19106 38212