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1223544041 = 2353197567
BaseRepresentation
bin100100011101101…
…1100110011101001
310011021022110212222
41020323130303221
510001211402131
6321224443425
742214644536
oct11073346351
93137273788
101223544041
11578727825
122a1919575
13166648a75
14b86dbd8d
157263b87b
hex48edcce9

1223544041 has 4 divisors (see below), whose sum is σ = 1276741632. Its totient is φ = 1170346452.

The previous prime is 1223544031. The next prime is 1223544073. The reversal of 1223544041 is 1404453221.

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 a cyclic number.

It is not a de Polignac number, because 1223544041 - 26 = 1223543977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223544041.

It is not an unprimeable number, because it can be changed into a prime (1223544001) 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, 26598761 + ... + 26598806.

It is an arithmetic number, because the mean of its divisors is an integer number (319185408).

Almost surely, 21223544041 is an apocalyptic number.

It is an amenable number.

1223544041 is a deficient number, since it is larger than the sum of its proper divisors (53197591).

1223544041 is an equidigital number, since it uses as much as digits as its factorization.

1223544041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53197590.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1223544041 is about 34979.1944018155. The cubic root of 1223544041 is about 1069.5634055988.

Adding to 1223544041 its reverse (1404453221), we get a palindrome (2627997262).

The spelling of 1223544041 in words is "one billion, two hundred twenty-three million, five hundred forty-four thousand, forty-one".

Divisors: 1 23 53197567 1223544041