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84065608 = 23113472753
BaseRepresentation
bin1010000001010…
…11110101001000
312212011222100001
411000223311020
5133010044413
612201452344
72040355144
oct500536510
9185158301
1084065608
11434a8810
12241a10b4
1314554a83
14b244224
1575a84dd
hex502bd48

84065608 has 32 divisors (see below), whose sum is σ = 172510560. Its totient is φ = 38087680.

The previous prime is 84065593. The next prime is 84065609. The reversal of 84065608 is 80656048.

It is not an unprimeable number, because it can be changed into a prime (84065609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29160 + ... + 31912.

It is an arithmetic number, because the mean of its divisors is an integer number (5390955).

Almost surely, 284065608 is an apocalyptic number.

84065608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

84065608 is an abundant number, since it is smaller than the sum of its proper divisors (88444952).

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

84065608 is a wasteful number, since it uses less digits than its factorization.

84065608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117 (or 3113 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 84065608 is about 9168.7299011368. The cubic root of 84065608 is about 438.0659047498.

The spelling of 84065608 in words is "eighty-four million, sixty-five thousand, six hundred eight".

Divisors: 1 2 4 8 11 22 44 88 347 694 1388 2753 2776 3817 5506 7634 11012 15268 22024 30283 30536 60566 121132 242264 955291 1910582 3821164 7642328 10508201 21016402 42032804 84065608