Search a number
-
+
3030433221 = 31010144407
BaseRepresentation
bin1011010010100000…
…1011110111000101
321211012021221212110
42310220023313011
522201242330341
61220412411233
7135045154164
oct26450136705
97735257773
103030433221
111315667372
12706a76b19
13393aab76a
1420a6893db
1512b0a6216
hexb4a0bdc5

3030433221 has 4 divisors (see below), whose sum is σ = 4040577632. Its totient is φ = 2020288812.

The previous prime is 3030433199. The next prime is 3030433223. The reversal of 3030433221 is 1223340303.

3030433221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3030433221 - 26 = 3030433157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030433223) 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, 505072201 + ... + 505072206.

It is an arithmetic number, because the mean of its divisors is an integer number (1010144408).

Almost surely, 23030433221 is an apocalyptic number.

It is an amenable number.

3030433221 is a deficient number, since it is larger than the sum of its proper divisors (1010144411).

3030433221 is a wasteful number, since it uses less digits than its factorization.

3030433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010144410.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 3030433221 is about 55049.3707593466. The cubic root of 3030433221 is about 1447.1100936751.

Adding to 3030433221 its reverse (1223340303), we get a palindrome (4253773524).

The spelling of 3030433221 in words is "three billion, thirty million, four hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 3 1010144407 3030433221