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2243530445 = 51334515853
BaseRepresentation
bin1000010110111001…
…1000111011001101
312210100121011012012
42011232120323031
514043320433240
61010342351005
7106411460042
oct20556307315
95710534165
102243530445
11a514616a2
1252742b465
13299a63110
14173d6d1c9
15d1e69b65
hex85b98ecd

2243530445 has 8 divisors (see below), whose sum is σ = 2899331736. Its totient is φ = 1656760896.

The previous prime is 2243530441. The next prime is 2243530453. The reversal of 2243530445 is 5440353422.

It can be written as a sum of positive squares in 4 ways, for example, as 276676 + 2243253769 = 526^2 + 47363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243530445 - 22 = 2243530441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243530441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17257862 + ... + 17257991.

It is an arithmetic number, because the mean of its divisors is an integer number (362416467).

Almost surely, 22243530445 is an apocalyptic number.

It is an amenable number.

2243530445 is a deficient number, since it is larger than the sum of its proper divisors (655801291).

2243530445 is a wasteful number, since it uses less digits than its factorization.

2243530445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34515871.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 2243530445 is about 47365.9207131034. The cubic root of 2243530445 is about 1309.1135632383.

Adding to 2243530445 its reverse (5440353422), we get a palindrome (7683883867).

The spelling of 2243530445 in words is "two billion, two hundred forty-three million, five hundred thirty thousand, four hundred forty-five".

Divisors: 1 5 13 65 34515853 172579265 448706089 2243530445