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1243302441 = 312715121611
BaseRepresentation
bin100101000011011…
…0100101000101001
310012122111022022120
41022012310220221
510021241134231
6323212141453
742544616313
oct11206645051
93178438276
101243302441
115888a2587
122a8467889
1316a776224
14bb1a27b3
1574240d96
hex4a1b4a29

1243302441 has 16 divisors (see below), whose sum is σ = 1681932288. Its totient is φ = 816858000.

The previous prime is 1243302433. The next prime is 1243302469. The reversal of 1243302441 is 1442033421.

It is not a de Polignac number, because 1243302441 - 23 = 1243302433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1243302241) 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 15 ways as a sum of consecutive naturals, for example, 46726 + ... + 68336.

It is an arithmetic number, because the mean of its divisors is an integer number (105120768).

Almost surely, 21243302441 is an apocalyptic number.

It is an amenable number.

1243302441 is a deficient number, since it is larger than the sum of its proper divisors (438629847).

1243302441 is a wasteful number, since it uses less digits than its factorization.

1243302441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21892.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1243302441 is about 35260.4940549619. The cubic root of 1243302441 is about 1075.2899714603.

Adding to 1243302441 its reverse (1442033421), we get a palindrome (2685335862).

The spelling of 1243302441 in words is "one billion, two hundred forty-three million, three hundred two thousand, four hundred forty-one".

Divisors: 1 3 127 151 381 453 19177 21611 57531 64833 2744597 3263261 8233791 9789783 414434147 1243302441