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1252412313 = 3532331449
BaseRepresentation
bin100101010100110…
…0100101110011001
310020021122010201020
41022221210232121
510031104143223
6324135313053
743015220565
oct11251445631
93207563636
101252412313
11592a549a9
122ab51b789
1316c615899
14bc4946a5
1574e401e3
hex4aa64b99

1252412313 has 24 divisors (see below), whose sum is σ = 1710928800. Its totient is φ = 814894080.

The previous prime is 1252412279. The next prime is 1252412323. The reversal of 1252412313 is 3132142521.

It is not a de Polignac number, because 1252412313 - 210 = 1252411289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252412323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2789113 + ... + 2789561.

It is an arithmetic number, because the mean of its divisors is an integer number (71288700).

Almost surely, 21252412313 is an apocalyptic number.

It is an amenable number.

1252412313 is a deficient number, since it is larger than the sum of its proper divisors (458516487).

1252412313 is an equidigital number, since it uses as much as digits as its factorization.

1252412313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 836 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1252412313 is about 35389.4378734673. The cubic root of 1252412313 is about 1077.9098558341.

Adding to 1252412313 its reverse (3132142521), we get a palindrome (4384554834).

The spelling of 1252412313 in words is "one billion, two hundred fifty-two million, four hundred twelve thousand, three hundred thirteen".

Divisors: 1 3 53 159 331 449 993 1347 2809 8427 17543 23797 52629 71391 148619 445857 929779 1261241 2789337 3783723 7876807 23630421 417470771 1252412313