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1449779441 = 11131798131
BaseRepresentation
bin101011001101001…
…1110000011110001
310202001000102111212
41112122132003301
510432120420231
6355505445505
750632631135
oct12632360361
93661012455
101449779441
116843a9830
12345640895
131a148a676
14da78d3c5
158742942b
hex5669e0f1

1449779441 has 4 divisors (see below), whose sum is σ = 1581577584. Its totient is φ = 1317981300.

The previous prime is 1449779417. The next prime is 1449779453.

It is a happy number.

1449779441 is nontrivially palindromic in base 10.

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 1449779441 - 226 = 1382670577 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 1449779441.

It is not an unprimeable number, because it can be changed into a prime (1449779641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65899055 + ... + 65899076.

It is an arithmetic number, because the mean of its divisors is an integer number (395394396).

Almost surely, 21449779441 is an apocalyptic number.

1449779441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1449779441 is a deficient number, since it is larger than the sum of its proper divisors (131798143).

1449779441 is a wasteful number, since it uses less digits than its factorization.

1449779441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131798142.

The product of its digits is 1016064, while the sum is 50.

The square root of 1449779441 is about 38075.9693376282. The cubic root of 1449779441 is about 1131.7938045545.

The spelling of 1449779441 in words is "one billion, four hundred forty-nine million, seven hundred seventy-nine thousand, four hundred forty-one".

Divisors: 1 11 131798131 1449779441