Search a number
-
+
330012021 = 3563195389
BaseRepresentation
bin10011101010111…
…001010101110101
3211222222100101110
4103222321111311
51133440341041
652425145233
711115025113
oct2352712565
9758870343
10330012021
1115a312a09
129262b219
13534a83b1
1431b86ab3
151de8b516
hex13ab9575

330012021 has 8 divisors (see below), whose sum is σ = 440799840. Its totient is φ = 219616112.

The previous prime is 330012017. The next prime is 330012031. The reversal of 330012021 is 120210033.

It is a happy number.

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 330012021 - 22 = 330012017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330011988 and 330012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330012031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96006 + ... + 99383.

It is an arithmetic number, because the mean of its divisors is an integer number (55099980).

Almost surely, 2330012021 is an apocalyptic number.

It is an amenable number.

330012021 is a deficient number, since it is larger than the sum of its proper divisors (110787819).

330012021 is a wasteful number, since it uses less digits than its factorization.

330012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195955.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 330012021 is about 18166.2329887074. The cubic root of 330012021 is about 691.0507138283.

Adding to 330012021 its reverse (120210033), we get a palindrome (450222054).

The spelling of 330012021 in words is "three hundred thirty million, twelve thousand, twenty-one".

Divisors: 1 3 563 1689 195389 586167 110004007 330012021