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427304065 = 5149357241
BaseRepresentation
bin11001011110000…
…010010010000001
31002210001021222111
4121132002102001
51333342212230
6110222335321
713406011306
oct3136022201
91083037874
10427304065
111aa224961
12bb12a541
136a6b1456
1440a710ad
15277a892a
hex19782481

427304065 has 8 divisors (see below), whose sum is σ = 513117288. Its totient is φ = 341608320.

The previous prime is 427304063. The next prime is 427304071. The reversal of 427304065 is 560403724.

It can be written as a sum of positive squares in 4 ways, for example, as 57395776 + 369908289 = 7576^2 + 19233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427304065 - 21 = 427304063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427304063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21156 + ... + 36085.

It is an arithmetic number, because the mean of its divisors is an integer number (64139661).

Almost surely, 2427304065 is an apocalyptic number.

It is an amenable number.

427304065 is a deficient number, since it is larger than the sum of its proper divisors (85813223).

427304065 is a wasteful number, since it uses less digits than its factorization.

427304065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58739.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 427304065 is about 20671.3343787962. The cubic root of 427304065 is about 753.2035208272.

Adding to 427304065 its reverse (560403724), we get a palindrome (987707789).

The spelling of 427304065 in words is "four hundred twenty-seven million, three hundred four thousand, sixty-five".

Divisors: 1 5 1493 7465 57241 286205 85460813 427304065