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203330 = 2520333
BaseRepresentation
bin110001101001000010
3101022220202
4301221002
523001310
64205202
71504541
oct615102
9338822
10203330
11129846
1299802
137171a
1454158
15403a5
hex31a42

203330 has 8 divisors (see below), whose sum is σ = 366012. Its totient is φ = 81328.

The previous prime is 203323. The next prime is 203339. The reversal of 203330 is 33302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 192721 + 10609 = 439^2 + 103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (203339) by changing a digit.

203330 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10157 + ... + 10176.

2203330 is an apocalyptic number.

203330 is a deficient number, since it is larger than the sum of its proper divisors (162682).

203330 is a wasteful number, since it uses less digits than its factorization.

203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20340.

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 203330 is about 450.9212791608. The cubic root of 203330 is about 58.8031358718.

Adding to 203330 its reverse (33302), we get a palindrome (236632).

The spelling of 203330 in words is "two hundred three thousand, three hundred thirty".

Divisors: 1 2 5 10 20333 40666 101665 203330