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814403361 = 3271467787
BaseRepresentation
bin110000100010101…
…100111100100001
32002202102222101110
4300202230330201
53131441401421
6212451253533
726116212552
oct6042547441
92082388343
10814403361
11388789332
121a88aa2a9
13cc956aa5
147a238329
154b76ea76
hex308acf21

814403361 has 4 divisors (see below), whose sum is σ = 1085871152. Its totient is φ = 542935572.

The previous prime is 814403341. The next prime is 814403371. The reversal of 814403361 is 163304418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 814403361 - 25 = 814403329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814403341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135733891 + ... + 135733896.

It is an arithmetic number, because the mean of its divisors is an integer number (271467788).

Almost surely, 2814403361 is an apocalyptic number.

It is an amenable number.

814403361 is a deficient number, since it is larger than the sum of its proper divisors (271467791).

814403361 is a wasteful number, since it uses less digits than its factorization.

814403361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271467790.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 814403361 is about 28537.7532577461. The cubic root of 814403361 is about 933.8558687794.

Adding to 814403361 its reverse (163304418), we get a palindrome (977707779).

The spelling of 814403361 in words is "eight hundred fourteen million, four hundred three thousand, three hundred sixty-one".

Divisors: 1 3 271467787 814403361