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1304323412 = 22773638123
BaseRepresentation
bin100110110111110…
…0110010101010100
310100220022111100112
41031233212111110
510132401322122
6333232102152
744215365110
oct11557462524
93326274315
101304323412
1160a290537
12304994958
1317a2bcb02
14c5328740
15797962e2
hex4dbe6554

1304323412 has 24 divisors (see below), whose sum is σ = 2644385856. Its totient is φ = 551337408.

The previous prime is 1304323403. The next prime is 1304323439. The reversal of 1304323412 is 2143234031.

It is a congruent number.

It is an unprimeable number.

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, 317018 + ... + 321105.

It is an arithmetic number, because the mean of its divisors is an integer number (110182744).

Almost surely, 21304323412 is an apocalyptic number.

It is an amenable number.

1304323412 is an abundant number, since it is smaller than the sum of its proper divisors (1340062444).

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

1304323412 is a wasteful number, since it uses less digits than its factorization.

1304323412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638207 (or 638205 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1304323412 is about 36115.4179264203. The cubic root of 1304323412 is about 1092.6014266280.

Adding to 1304323412 its reverse (2143234031), we get a palindrome (3447557443).

The spelling of 1304323412 in words is "one billion, three hundred four million, three hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 638123 1276246 2552492 4466861 8933722 17867444 46582979 93165958 186331916 326080853 652161706 1304323412