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1100431441 = 8369131489
BaseRepresentation
bin100000110010111…
…0100000001010001
32211200122201011001
41001211310001101
54223202301231
6301110022001
736161340634
oct10145640121
92750581131
101100431441
1151518a47a
12268647901
13146ca2185
14a6211c1b
156691db61
hex41974051

1100431441 has 4 divisors (see below), whose sum is σ = 1100571300. Its totient is φ = 1100291584.

The previous prime is 1100431429. The next prime is 1100431463. The reversal of 1100431441 is 1441340011.

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 412943041 + 687488400 = 20321^2 + 26220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100431441 - 27 = 1100431313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100431741) 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, 57376 + ... + 74113.

It is an arithmetic number, because the mean of its divisors is an integer number (275142825).

Almost surely, 21100431441 is an apocalyptic number.

It is an amenable number.

1100431441 is a deficient number, since it is larger than the sum of its proper divisors (139859).

1100431441 is an equidigital number, since it uses as much as digits as its factorization.

1100431441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139858.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1100431441 is about 33172.7514837102. The cubic root of 1100431441 is about 1032.4150578051.

Adding to 1100431441 its reverse (1441340011), we get a palindrome (2541771452).

The spelling of 1100431441 in words is "one billion, one hundred million, four hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 8369 131489 1100431441