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65890328 = 2371961927
BaseRepresentation
bin1111101101011…
…0100000011000
311120222120112112
43323112200120
5113331442303
610312131452
71430026040
oct373264030
9146876475
1065890328
1134214419
121a096b88
131086007a
148a72720
155bb80d8
hex3ed6818

65890328 has 32 divisors (see below), whose sum is σ = 148627200. Its totient is φ = 26752032.

The previous prime is 65890327. The next prime is 65890339. The reversal of 65890328 is 82309856.

65890328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65890327) 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 7 ways as a sum of consecutive naturals, for example, 29900 + ... + 32027.

It is an arithmetic number, because the mean of its divisors is an integer number (4644600).

Almost surely, 265890328 is an apocalyptic number.

It is an amenable number.

65890328 is an abundant number, since it is smaller than the sum of its proper divisors (82736872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65890328 is a wasteful number, since it uses less digits than its factorization.

65890328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61959 (or 61955 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 65890328 is about 8117.2857532552. The cubic root of 65890328 is about 403.9000340842.

The spelling of 65890328 in words is "sixty-five million, eight hundred ninety thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 61927 123854 247708 433489 495416 866978 1176613 1733956 2353226 3467912 4706452 8236291 9412904 16472582 32945164 65890328