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204214 = 2102107
BaseRepresentation
bin110001110110110110
3101101010111
4301312312
523013324
64213234
71510243
oct616666
9341114
10204214
1112a47a
129a21a
1371c4a
14545ca
1540794
hex31db6

204214 has 4 divisors (see below), whose sum is σ = 306324. Its totient is φ = 102106.

The previous prime is 204173. The next prime is 204233. The reversal of 204214 is 412402.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 204194 and 204203.

It is a congruent number.

It is an unprimeable number.

204214 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 51052 + ... + 51055.

It is an arithmetic number, because the mean of its divisors is an integer number (76581).

2204214 is an apocalyptic number.

204214 is a deficient number, since it is larger than the sum of its proper divisors (102110).

204214 is a wasteful number, since it uses less digits than its factorization.

204214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102109.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 204214 is about 451.9004315112. The cubic root of 204214 is about 58.8882304160. Note that the first 3 decimals are identical.

Adding to 204214 its reverse (412402), we get a palindrome (616616).

The spelling of 204214 in words is "two hundred four thousand, two hundred fourteen", and thus it is an iban number.

Divisors: 1 2 102107 204214