Search a number
-
+
3220300321 = 7460042903
BaseRepresentation
bin1011111111110001…
…1110001000100001
322022102120012120021
42333330132020201
523043344102241
61251314113441
7142542046450
oct27774361041
98272505507
103220300321
111402859327
1275a57b881
133c4228864
14227990b97
1513caad0d1
hexbff1e221

3220300321 has 4 divisors (see below), whose sum is σ = 3680343232. Its totient is φ = 2760257412.

The previous prime is 3220300271. The next prime is 3220300333. The reversal of 3220300321 is 1230030223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3220300321 - 213 = 3220292129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220300295 and 3220300304.

It is not an unprimeable number, because it can be changed into a prime (3220303321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230021445 + ... + 230021458.

It is an arithmetic number, because the mean of its divisors is an integer number (920085808).

Almost surely, 23220300321 is an apocalyptic number.

It is an amenable number.

3220300321 is a deficient number, since it is larger than the sum of its proper divisors (460042911).

3220300321 is an equidigital number, since it uses as much as digits as its factorization.

3220300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460042910.

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

The square root of 3220300321 is about 56747.6900058496. The cubic root of 3220300321 is about 1476.7221590863.

Adding to 3220300321 its reverse (1230030223), we get a palindrome (4450330544).

The spelling of 3220300321 in words is "three billion, two hundred twenty million, three hundred thousand, three hundred twenty-one".

Divisors: 1 7 460042903 3220300321