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1268241304 = 2311371273067
BaseRepresentation
bin100101110010111…
…1101001110011000
310021101102100000011
41023211331032120
510044132210204
6325502451304
743266605341
oct11345751630
93241370004
101268241304
115a0986510
122b4893b34
13172998655
14c06150c8
157651a304
hex4b97d398

1268241304 has 64 divisors (see below), whose sum is σ = 2686095360. Its totient is φ = 556295040.

The previous prime is 1268241283. The next prime is 1268241307. The reversal of 1268241304 is 4031428621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268241307) 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 15 ways as a sum of consecutive naturals, for example, 411979 + ... + 415045.

It is an arithmetic number, because the mean of its divisors is an integer number (41970240).

Almost surely, 21268241304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1268241304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343047680).

1268241304 is an abundant number, since it is smaller than the sum of its proper divisors (1417854056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268241304 is a wasteful number, since it uses less digits than its factorization.

1268241304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1268241304 is about 35612.3757140688. The cubic root of 1268241304 is about 1082.4320204365.

Adding to 1268241304 its reverse (4031428621), we get a palindrome (5299669925).

The spelling of 1268241304 in words is "one billion, two hundred sixty-eight million, two hundred forty-one thousand, three hundred four".

Divisors: 1 2 4 8 11 22 37 44 74 88 127 148 254 296 407 508 814 1016 1397 1628 2794 3067 3256 4699 5588 6134 9398 11176 12268 18796 24536 33737 37592 51689 67474 103378 113479 134948 206756 226958 269896 389509 413512 453916 779018 907832 1248269 1558036 2496538 3116072 4284599 4993076 8569198 9986152 14411833 17138396 28823666 34276792 57647332 115294664 158530163 317060326 634120652 1268241304