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2252043449 = 41181303469
BaseRepresentation
bin1000011000111011…
…0111010010111001
312210221121122211122
42012032313102321
514103010342244
61011245035025
7106544024225
oct20616672271
95727548748
102252043449
11a56246637
1252a255a75
1329b753bb6
14175147785
15d2a9c1ee
hex863b74b9

2252043449 has 8 divisors (see below), whose sum is σ = 2319724680. Its totient is φ = 2184969600.

The previous prime is 2252043439. The next prime is 2252043461. The reversal of 2252043449 is 9443402522.

It can be written as a sum of positive squares in 4 ways, for example, as 512569600 + 1739473849 = 22640^2 + 41707^2 .

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 2252043449 - 220 = 2250994873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252043439) 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, 144314 + ... + 159155.

It is an arithmetic number, because the mean of its divisors is an integer number (289965585).

Almost surely, 22252043449 is an apocalyptic number.

It is an amenable number.

2252043449 is a deficient number, since it is larger than the sum of its proper divisors (67681231).

2252043449 is a wasteful number, since it uses less digits than its factorization.

2252043449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303691.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2252043449 is about 47455.6998578674. The cubic root of 2252043449 is about 1310.7672697679.

The spelling of 2252043449 in words is "two billion, two hundred fifty-two million, forty-three thousand, four hundred forty-nine".

Divisors: 1 41 181 7421 303469 12442229 54927889 2252043449