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50448304449 = 32748692
BaseRepresentation
bin101110111110111101…
…000000100101000001
311211012211101101201100
4232332331000211001
51311304231220244
635101534125013
73434104340544
oct567675004501
9154184341640
1050448304449
111a4388308a4
12993b050769
1349ac8c4a2a
1426280aa85b
1514a3deab69
hexbbef40941

50448304449 has 9 divisors (see below), whose sum is σ = 72870746403. Its totient is φ = 33631753752.

The previous prime is 50448304447. The next prime is 50448304481. The reversal of 50448304449 is 94440384405.

The square root of 50448304449 is 224607.

It is a perfect power (a square), and thus also a powerful number.

50448304449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13284176049 + 37164128400 = 115257^2 + 192780^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 50448304449 - 21 = 50448304447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50448304441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 636387 + ... + 711255.

Almost surely, 250448304449 is an apocalyptic number.

50448304449 is the 224607-th square number.

50448304449 is the 112304-th centered octagonal number.

It is an amenable number.

50448304449 is a deficient number, since it is larger than the sum of its proper divisors (22422441954).

50448304449 is an frugal number, since it uses more digits than its factorization.

50448304449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149744 (or 74872 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 50448304449 in words is "fifty billion, four hundred forty-eight million, three hundred four thousand, four hundred forty-nine".

Divisors: 1 3 9 74869 224607 673821 5605367161 16816101483 50448304449