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1328050307 = 1475390019
BaseRepresentation
bin100111100101000…
…0111000010000011
310102112221221112102
41033022013002003
510204440102212
6335440421015
744624145533
oct11712070203
93375857472
101328050307
11621716941
1231091776b
131821a96ac
14c85434c3
157b8d15c2
hex4f287083

1328050307 has 4 divisors (see below), whose sum is σ = 1328155080. Its totient is φ = 1327945536.

The previous prime is 1328050301. The next prime is 1328050333. The reversal of 1328050307 is 7030508231.

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.

It is a cyclic number.

It is not a de Polignac number, because 1328050307 - 28 = 1328050051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1328050307.

It is not an unprimeable number, because it can be changed into a prime (1328050301) 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, 30257 + ... + 59762.

It is an arithmetic number, because the mean of its divisors is an integer number (332038770).

Almost surely, 21328050307 is an apocalyptic number.

1328050307 is a deficient number, since it is larger than the sum of its proper divisors (104773).

1328050307 is an equidigital number, since it uses as much as digits as its factorization.

1328050307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104772.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1328050307 is about 36442.4245488689. The cubic root of 1328050307 is about 1099.1868113851.

Adding to 1328050307 its reverse (7030508231), we get a palindrome (8358558538).

The spelling of 1328050307 in words is "one billion, three hundred twenty-eight million, fifty thousand, three hundred seven".

Divisors: 1 14753 90019 1328050307