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3430241021 = 4379773047
BaseRepresentation
bin1100110001110101…
…0101001011111101
322212001121022001202
43030131111023331
524011120203041
61324213545245
7151001365454
oct31435251375
98761538052
103430241021
111500310939
127b8945225
1342888371c
142477ddb9b
1515122ca9b
hexcc7552fd

3430241021 has 4 divisors (see below), whose sum is σ = 3510014112. Its totient is φ = 3350467932.

The previous prime is 3430240987. The next prime is 3430241039. The reversal of 3430241021 is 1201420343.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1201420343 = 8353143831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3430241021 is a prime.

It is a super-2 number, since 2×34302410212 = 23533106924302244882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3430240984 and 3430241002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430241071) 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, 39886481 + ... + 39886566.

It is an arithmetic number, because the mean of its divisors is an integer number (877503528).

Almost surely, 23430241021 is an apocalyptic number.

It is an amenable number.

3430241021 is a deficient number, since it is larger than the sum of its proper divisors (79773091).

3430241021 is an equidigital number, since it uses as much as digits as its factorization.

3430241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79773090.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3430241021 is about 58568.2595012008. The cubic root of 3430241021 is about 1508.1396062768.

Adding to 3430241021 its reverse (1201420343), we get a palindrome (4631661364).

The spelling of 3430241021 in words is "three billion, four hundred thirty million, two hundred forty-one thousand, twenty-one".

Divisors: 1 43 79773047 3430241021