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3243249041 = 7694217489
BaseRepresentation
bin1100000101010000…
…0000110110010001
322101000202010021212
43001110000312101
523120232432131
61253454025505
7143241106364
oct30124006621
98330663255
103243249041
11141480300a
127661a8295
133c8c02196
1422aa460db
1513eae2a2b
hexc1500d91

3243249041 has 4 divisors (see below), whose sum is σ = 3247467300. Its totient is φ = 3239030784.

The previous prime is 3243249019. The next prime is 3243249049. The reversal of 3243249041 is 1409423423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419389441 + 2823859600 = 20479^2 + 53140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3243249041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3243248989 and 3243249007.

It is not an unprimeable number, because it can be changed into a prime (3243249049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107976 + ... + 2109513.

It is an arithmetic number, because the mean of its divisors is an integer number (811866825).

Almost surely, 23243249041 is an apocalyptic number.

It is an amenable number.

3243249041 is a deficient number, since it is larger than the sum of its proper divisors (4218259).

3243249041 is an equidigital number, since it uses as much as digits as its factorization.

3243249041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218258.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 3243249041 is about 56949.5306477586. The cubic root of 3243249041 is about 1480.2216981317.

The spelling of 3243249041 in words is "three billion, two hundred forty-three million, two hundred forty-nine thousand, forty-one".

Divisors: 1 769 4217489 3243249041