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1068197441 = 2346443367
BaseRepresentation
bin111111101010110…
…110011001000001
32202110000001102012
4333222312121001
54141424304231
6253555102305
735320346153
oct7752663101
92673001365
101068197441
114a8a73603
122598a1995
131403c73bc
14a1c20ad3
1563ba2e2b
hex3fab6641

1068197441 has 4 divisors (see below), whose sum is σ = 1114640832. Its totient is φ = 1021754052.

The previous prime is 1068197407. The next prime is 1068197479. The reversal of 1068197441 is 1447918601.

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: 1447918601 = 2416007961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1068197441 is a prime.

It is a super-2 number, since 2×10681974412 = 2282091545917896962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068127441) 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 3 ways as a sum of consecutive naturals, for example, 23221661 + ... + 23221706.

It is an arithmetic number, because the mean of its divisors is an integer number (278660208).

Almost surely, 21068197441 is an apocalyptic number.

It is an amenable number.

1068197441 is a deficient number, since it is larger than the sum of its proper divisors (46443391).

1068197441 is an equidigital number, since it uses as much as digits as its factorization.

1068197441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46443390.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1068197441 is about 32683.2899353783. The cubic root of 1068197441 is about 1022.2344457375.

The spelling of 1068197441 in words is "one billion, sixty-eight million, one hundred ninety-seven thousand, four hundred forty-one".

Divisors: 1 23 46443367 1068197441