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4452408809 = 38911445781
BaseRepresentation
bin1000010010110001…
…00101110111101001
3102111021222210122222
410021120211313221
533104304040214
62013450323425
7215222564462
oct41130456751
912437883588
104452408809
1119852a5702
12a43129575
1355c582934
1430347bd69
151b0d3c38e
hex109625de9

4452408809 has 4 divisors (see below), whose sum is σ = 4463854980. Its totient is φ = 4440962640.

The previous prime is 4452408803. The next prime is 4452408847. The reversal of 4452408809 is 9088042544.

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 1026882025 + 3425526784 = 32045^2 + 58528^2 .

It is a cyclic number.

It is not a de Polignac number, because 4452408809 - 224 = 4435631593 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 4452408809.

It is not an unprimeable number, because it can be changed into a prime (4452408803) 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, 5722502 + ... + 5723279.

It is an arithmetic number, because the mean of its divisors is an integer number (1115963745).

Almost surely, 24452408809 is an apocalyptic number.

It is an amenable number.

4452408809 is a deficient number, since it is larger than the sum of its proper divisors (11446171).

4452408809 is a wasteful number, since it uses less digits than its factorization.

4452408809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11446170.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 4452408809 is about 66726.3726647867. The cubic root of 4452408809 is about 1645.1228874423.

The spelling of 4452408809 in words is "four billion, four hundred fifty-two million, four hundred eight thousand, eight hundred nine".

Divisors: 1 389 11445781 4452408809