Search a number
-
+
330203221 = 14911871867
BaseRepresentation
bin10011101011101…
…000000001010101
3212000100001122221
4103223220001111
51134013000341
652433222341
711116452415
oct2353500125
9760301587
10330203221
1115a433627
12927019b1
135354442a
1431bd6645
151dec7ed1
hex13ae8055

330203221 has 8 divisors (see below), whose sum is σ = 332877600. Its totient is φ = 327535248.

The previous prime is 330203219. The next prime is 330203231. The reversal of 330203221 is 122302033.

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

It is a cyclic number.

It is not a de Polignac number, because 330203221 - 21 = 330203219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330203195 and 330203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330203201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175930 + ... + 177796.

It is an arithmetic number, because the mean of its divisors is an integer number (41609700).

Almost surely, 2330203221 is an apocalyptic number.

It is an amenable number.

330203221 is a deficient number, since it is larger than the sum of its proper divisors (2674379).

330203221 is a wasteful number, since it uses less digits than its factorization.

330203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 330203221 is about 18171.4947376378. The cubic root of 330203221 is about 691.1841467327.

Adding to 330203221 its reverse (122302033), we get a palindrome (452505254).

The spelling of 330203221 in words is "three hundred thirty million, two hundred three thousand, two hundred twenty-one".

Divisors: 1 149 1187 1867 176863 278183 2216129 330203221