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1427317361 = 4333193427
BaseRepresentation
bin101010100010011…
…0010001001110001
310200110202020022222
41111010302021301
510410343123421
6353344210425
750240666051
oct12504621161
93613666288
101427317361
11672757728
1233a009a15
131999246b2
14d77c3561
158548dcab
hex55132271

1427317361 has 4 divisors (see below), whose sum is σ = 1460510832. Its totient is φ = 1394123892.

The previous prime is 1427317357. The next prime is 1427317363. The reversal of 1427317361 is 1637137241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1637137241 = 7123058271.

It is a cyclic number.

It is not a de Polignac number, because 1427317361 - 22 = 1427317357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427317363) 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, 16596671 + ... + 16596756.

It is an arithmetic number, because the mean of its divisors is an integer number (365127708).

Almost surely, 21427317361 is an apocalyptic number.

It is an amenable number.

1427317361 is a deficient number, since it is larger than the sum of its proper divisors (33193471).

1427317361 is an equidigital number, since it uses as much as digits as its factorization.

1427317361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33193470.

The product of its digits is 21168, while the sum is 35.

The square root of 1427317361 is about 37779.8539038996. The cubic root of 1427317361 is about 1125.9182260757.

The spelling of 1427317361 in words is "one billion, four hundred twenty-seven million, three hundred seventeen thousand, three hundred sixty-one".

Divisors: 1 43 33193427 1427317361