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65152313 = 173832489
BaseRepresentation
bin1111100010001…
…0010100111001
311112121002011122
43320202110321
5113134333223
610244235025
71420533302
oct370422471
9145532148
1065152313
113385a996
121999ba75
1310662185
14891d7a9
155abe5c8
hex3e22539

65152313 has 4 divisors (see below), whose sum is σ = 68984820. Its totient is φ = 61319808.

The previous prime is 65152309. The next prime is 65152363. The reversal of 65152313 is 31325156.

65152313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32855824 + 32296489 = 5732^2 + 5683^2 .

It is a cyclic number.

It is not a de Polignac number, because 65152313 - 22 = 65152309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65152303) 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, 1916228 + ... + 1916261.

It is an arithmetic number, because the mean of its divisors is an integer number (17246205).

Almost surely, 265152313 is an apocalyptic number.

It is an amenable number.

65152313 is a deficient number, since it is larger than the sum of its proper divisors (3832507).

65152313 is a wasteful number, since it uses less digits than its factorization.

65152313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832506.

The product of its digits is 2700, while the sum is 26.

The square root of 65152313 is about 8071.6982723588. The cubic root of 65152313 is about 402.3863866673.

Adding to 65152313 its reverse (31325156), we get a palindrome (96477469).

The spelling of 65152313 in words is "sixty-five million, one hundred fifty-two thousand, three hundred thirteen".

Divisors: 1 17 3832489 65152313