Search a number
-
+
330420203 = 1917390537
BaseRepresentation
bin10011101100011…
…100111111101011
3212000202002022022
4103230130333223
51134041421303
652442015055
711121345131
oct2354347753
9760662268
10330420203
1115a571653
12927a748b
13535bc119
1431c51751
151e01c438
hex13b1cfeb

330420203 has 4 divisors (see below), whose sum is σ = 347810760. Its totient is φ = 313029648.

The previous prime is 330420191. The next prime is 330420221. The reversal of 330420203 is 302024033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302024033 = 2511203283.

It is a cyclic number.

It is not a de Polignac number, because 330420203 - 214 = 330403819 is a prime.

It is a super-2 number, since 2×3304202032 = 218355021101122418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330420253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8695250 + ... + 8695287.

It is an arithmetic number, because the mean of its divisors is an integer number (86952690).

Almost surely, 2330420203 is an apocalyptic number.

330420203 is a deficient number, since it is larger than the sum of its proper divisors (17390557).

330420203 is a wasteful number, since it uses less digits than its factorization.

330420203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390556.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 330420203 is about 18177.4641520758. The cubic root of 330420203 is about 691.3355097629.

Adding to 330420203 its reverse (302024033), we get a palindrome (632444236).

The spelling of 330420203 in words is "three hundred thirty million, four hundred twenty thousand, two hundred three".

Divisors: 1 19 17390537 330420203