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328364929 = 1720919081
BaseRepresentation
bin10011100100100…
…111001110000001
3211212212200000001
4103210213032001
51133030134204
652330000001
711065025104
oct2344471601
9755780001
10328364929
11159398482
1291b76001
135304c799
143187873b
151dc634a4
hex13927381

328364929 has 4 divisors (see below), whose sum is σ = 328401220. Its totient is φ = 328328640.

The previous prime is 328364921. The next prime is 328364957. The reversal of 328364929 is 929463823.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 929463823 = 8111114593.

It can be written as a sum of positive squares in 2 ways, for example, as 98903025 + 229461904 = 9945^2 + 15148^2 .

It is a cyclic number.

It is not a de Polignac number, because 328364929 - 23 = 328364921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328364921) 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, 7669 + ... + 26749.

It is an arithmetic number, because the mean of its divisors is an integer number (82100305).

Almost surely, 2328364929 is an apocalyptic number.

It is an amenable number.

328364929 is a deficient number, since it is larger than the sum of its proper divisors (36291).

328364929 is a wasteful number, since it uses less digits than its factorization.

328364929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36290.

The product of its digits is 559872, while the sum is 46.

The square root of 328364929 is about 18120.8423921185. The cubic root of 328364929 is about 689.8991163856.

The spelling of 328364929 in words is "three hundred twenty-eight million, three hundred sixty-four thousand, nine hundred twenty-nine".

Divisors: 1 17209 19081 328364929