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BaseRepresentation
bin110011110011101100
3101210002102
4303303230
523242304
64314232
71542446
oct636354
9353072
10212204
11135483
12a2978
1375785
1457496
1542d1e
hex33cec

212204 has 6 divisors (see below), whose sum is σ = 371364. Its totient is φ = 106100.

The previous prime is 212203. The next prime is 212207. The reversal of 212204 is 402212.

It is not an unprimeable number, because it can be changed into a prime (212203) 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 as a sum of consecutive naturals, namely, 26522 + ... + 26529.

It is an arithmetic number, because the mean of its divisors is an integer number (61894).

2212204 is an apocalyptic number.

It is an amenable number.

212204 is a deficient number, since it is larger than the sum of its proper divisors (159160).

212204 is a wasteful number, since it uses less digits than its factorization.

212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53055 (or 53053 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 212204 is about 460.6560539057. The cubic root of 212204 is about 59.6464391901.

Adding to 212204 its reverse (402212), we get a palindrome (614416).

The spelling of 212204 in words is "two hundred twelve thousand, two hundred four", and thus it is an iban number.

Divisors: 1 2 4 53051 106102 212204