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1304410445 = 51327731997
BaseRepresentation
bin100110110111111…
…1011100101001101
310100220110220201222
41031233323211031
510132412113240
6333234013125
744216206622
oct11557734515
93326426658
101304410445
1160a33a968
12304a171a5
1317a320600
14c534c349
15797b1eb5
hex4dbfb94d

1304410445 has 24 divisors (see below), whose sum is σ = 1698004296. Its totient is φ = 961529088.

The previous prime is 1304410421. The next prime is 1304410453. The reversal of 1304410445 is 5440144031.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1279779076 + 24631369 = 35774^2 + 4963^2 .

It is not a de Polignac number, because 1304410445 - 224 = 1287633229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652187 + ... + 654183.

It is an arithmetic number, because the mean of its divisors is an integer number (70750179).

Almost surely, 21304410445 is an apocalyptic number.

It is an amenable number.

1304410445 is a deficient number, since it is larger than the sum of its proper divisors (393593851).

1304410445 is a wasteful number, since it uses less digits than its factorization.

1304410445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1304410445 is about 36116.6228349219. The cubic root of 1304410445 is about 1092.6257279283.

Adding to 1304410445 its reverse (5440144031), we get a palindrome (6744554476).

The spelling of 1304410445 in words is "one billion, three hundred four million, four hundred ten thousand, four hundred forty-five".

Divisors: 1 5 13 65 169 773 845 1997 3865 9985 10049 25961 50245 129805 130637 337493 653185 1543681 1687465 7718405 20067853 100339265 260882089 1304410445