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5448553409 = 134190769
BaseRepresentation
bin1010001001100001…
…00101001111000001
3112001201102012011102
411010300211033001
542124312202114
62300353224145
7252006640235
oct50460451701
915051365142
105448553409
112346625902
121080862055
1368aa70000
143998a45c5
1521d50b2de
hex144c253c1

5448553409 has 10 divisors (see below), whose sum is σ = 5902614570. Its totient is φ = 5029407552.

The previous prime is 5448553403. The next prime is 5448553433. The reversal of 5448553409 is 9043558445.

It can be written as a sum of positive squares in 5 ways, for example, as 4412679184 + 1035874225 = 66428^2 + 32185^2 .

It is not a de Polignac number, because 5448553409 - 28 = 5448553153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5448553403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 66824 + ... + 123945.

It is an arithmetic number, because the mean of its divisors is an integer number (590261457).

Almost surely, 25448553409 is an apocalyptic number.

It is an amenable number.

5448553409 is a deficient number, since it is larger than the sum of its proper divisors (454061161).

5448553409 is an frugal number, since it uses more digits than its factorization.

5448553409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190821 (or 190782 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The square root of 5448553409 is about 73814.3171004108. The cubic root of 5448553409 is about 1759.6531480097.

The spelling of 5448553409 in words is "five billion, four hundred forty-eight million, five hundred fifty-three thousand, four hundred nine".

Divisors: 1 13 169 2197 28561 190769 2479997 32239961 419119493 5448553409