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65091368 = 23173071559
BaseRepresentation
bin1111100001001…
…1011100101000
311112110222120102
43320103130220
5113130410433
610243044532
71420160516
oct370233450
9145428512
1065091368
1133819121
1219970748
1310640504
1489054b6
155aab4e8
hex3e13728

65091368 has 32 divisors (see below), whose sum is σ = 129729600. Its totient is φ = 30511872.

The previous prime is 65091353. The next prime is 65091409. The reversal of 65091368 is 86319056.

65091368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×650913682 = 8473772376222848, which contains 22 as substring.

It is an unprimeable number.

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, 40973 + ... + 42531.

It is an arithmetic number, because the mean of its divisors is an integer number (4054050).

Almost surely, 265091368 is an apocalyptic number.

65091368 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

65091368 is a deficient number, since it is larger than the sum of its proper divisors (64638232).

65091368 is a wasteful number, since it uses less digits than its factorization.

65091368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 65091368 is about 8067.9221612507. The cubic root of 65091368 is about 402.2608803075.

The spelling of 65091368 in words is "sixty-five million, ninety-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 17 34 68 136 307 614 1228 1559 2456 3118 5219 6236 10438 12472 20876 26503 41752 53006 106012 212024 478613 957226 1914452 3828904 8136421 16272842 32545684 65091368