Search a number
204212 = 22192687
BaseRepresentation
bin110001110110110100
3101101010102
4301312310
523013322
64213232
71510241
oct616664
9341112
10204212
1112a478
129a218
1371c48
14545c8
1540792
hex31db4

204212 has 12 divisors (see below), whose sum is σ = 376320. Its totient is φ = 96696.

The previous prime is 204173. The next prime is 204233. The reversal of 204212 is 212402.

It is a junction number, because it is equal to n+sod(n) for n = 204193 and 204202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (31360).

2204212 is an apocalyptic number.

It is an amenable number.

204212 is a deficient number, since it is larger than the sum of its proper divisors (172108).

204212 is a wasteful number, since it uses less digits than its factorization.

204212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2708 counting only the distinct ones).

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

The square root of 204212 is about 451.8982186289. The cubic root of 204212 is about 58.8880381719. Note that the first 3 decimals are identical.

Adding to 204212 its reverse (212402), we get a palindrome (416614).

The spelling of 204212 in words is "two hundred four thousand, two hundred twelve", and thus it is an iban number.