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4245544133 = 5741739513
BaseRepresentation
bin1111110100001101…
…1101110011000101
3101221212201222200022
43331003131303011
532143324403013
61541140424525
7210131346455
oct37503356305
911855658608
104245544133
111889554166
129a59a8145
13528763bbc
142c3bcdd65
1519cac9008
hexfd0ddcc5

4245544133 has 4 divisors (see below), whose sum is σ = 4246289388. Its totient is φ = 4244798880.

The previous prime is 4245544099. The next prime is 4245544157. The reversal of 4245544133 is 3314455424.

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 1693980964 + 2551563169 = 41158^2 + 50513^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245544133 - 216 = 4245478597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4245544093 and 4245544102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245540133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364016 + ... + 375497.

It is an arithmetic number, because the mean of its divisors is an integer number (1061572347).

Almost surely, 24245544133 is an apocalyptic number.

It is an amenable number.

4245544133 is a deficient number, since it is larger than the sum of its proper divisors (745255).

4245544133 is an equidigital number, since it uses as much as digits as its factorization.

4245544133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745254.

The product of its digits is 115200, while the sum is 35.

The square root of 4245544133 is about 65157.8401499006. The cubic root of 4245544133 is about 1619.2396133016.

Adding to 4245544133 its reverse (3314455424), we get a palindrome (7559999557).

The spelling of 4245544133 in words is "four billion, two hundred forty-five million, five hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 5741 739513 4245544133