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1304143201 = 8941145861
BaseRepresentation
bin100110110111011…
…1010010101100001
310100212222100011001
41031232322111201
510132330040301
6333224152001
744214014524
oct11556722541
93325870131
101304143201
1160a1780a9
12304908601
1317a258a8a
14c52bcbbb
157975cc01
hex4dbba561

1304143201 has 4 divisors (see below), whose sum is σ = 1304298004. Its totient is φ = 1303988400.

The previous prime is 1304143193. The next prime is 1304143213. The reversal of 1304143201 is 1023414031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1023414031 = 2935290139.

It can be written as a sum of positive squares in 2 ways, for example, as 511664400 + 792478801 = 22620^2 + 28151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304143201 - 23 = 1304143193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304143231) 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 3 ways as a sum of consecutive naturals, for example, 63990 + ... + 81871.

It is an arithmetic number, because the mean of its divisors is an integer number (326074501).

Almost surely, 21304143201 is an apocalyptic number.

It is an amenable number.

1304143201 is a deficient number, since it is larger than the sum of its proper divisors (154803).

1304143201 is an equidigital number, since it uses as much as digits as its factorization.

1304143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154802.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1304143201 is about 36112.9229085656. The cubic root of 1304143201 is about 1092.5511047873.

Adding to 1304143201 its reverse (1023414031), we get a palindrome (2327557232).

The spelling of 1304143201 in words is "one billion, three hundred four million, one hundred forty-three thousand, two hundred one".

Divisors: 1 8941 145861 1304143201