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2445323317 = 19312670069
BaseRepresentation
bin1001000111000000…
…1010110000110101
320022102022021222021
42101300022300311
520002000321232
61042351433141
7114411622333
oct22160126065
96272267867
102445323317
111045359668
12582b257b1
132cc7c7498
14192a9ab53
15e4a2a397
hex91c0ac35

2445323317 has 4 divisors (see below), whose sum is σ = 2457993580. Its totient is φ = 2432653056.

The previous prime is 2445323311. The next prime is 2445323347. The reversal of 2445323317 is 7133235442.

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 577873521 + 1867449796 = 24039^2 + 43214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445323317 - 219 = 2444799029 is a prime.

It is a super-2 number, since 2×24453233172 = 11959212249327764978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445323311) 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, 6334842 + ... + 6335227.

It is an arithmetic number, because the mean of its divisors is an integer number (614498395).

Almost surely, 22445323317 is an apocalyptic number.

It is an amenable number.

2445323317 is a deficient number, since it is larger than the sum of its proper divisors (12670263).

2445323317 is a wasteful number, since it uses less digits than its factorization.

2445323317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670262.

The product of its digits is 60480, while the sum is 34.

The square root of 2445323317 is about 49450.2104848908. The cubic root of 2445323317 is about 1347.2414300271.

Adding to 2445323317 its reverse (7133235442), we get a palindrome (9578558759).

The spelling of 2445323317 in words is "two billion, four hundred forty-five million, three hundred twenty-three thousand, three hundred seventeen".

Divisors: 1 193 12670069 2445323317