Search a number
-
+
4545675809 = 20183225223
BaseRepresentation
bin1000011101111000…
…11000001000100001
3102201210111020221022
410032330120020201
533302143111214
62031021335225
7220434415103
oct41674301041
912653436838
104545675809
111a22a08574
12a6a407515
135759a98cc
143119d9573
151b9111d8e
hex10ef18221

4545675809 has 4 divisors (see below), whose sum is σ = 4545921216. Its totient is φ = 4545430404.

The previous prime is 4545675733. The next prime is 4545675833. The reversal of 4545675809 is 9085765454.

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 4545675809 - 28 = 4545675553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545645809) 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 3 ways as a sum of consecutive naturals, for example, 92429 + ... + 132794.

It is an arithmetic number, because the mean of its divisors is an integer number (1136480304).

Almost surely, 24545675809 is an apocalyptic number.

It is an amenable number.

4545675809 is a deficient number, since it is larger than the sum of its proper divisors (245407).

4545675809 is a wasteful number, since it uses less digits than its factorization.

4545675809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245406.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The square root of 4545675809 is about 67421.6271607264. The cubic root of 4545675809 is about 1656.5306903435.

The spelling of 4545675809 in words is "four billion, five hundred forty-five million, six hundred seventy-five thousand, eight hundred nine".

Divisors: 1 20183 225223 4545675809