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9916830 = 235571153
BaseRepresentation
bin100101110101…
…000110011110
3200122211100000
4211311012132
510014314310
6552315130
7150202020
oct45650636
920584300
109916830
115663730
1233a2aa6
132092a61
141462010
15d0d4c0
hex97519e

9916830 has 192 divisors, whose sum is σ = 33965568. Its totient is φ = 2021760.

The previous prime is 9916813. The next prime is 9916843. The reversal of 9916830 is 386199.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 187084 + ... + 187136.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

Almost surely, 29916830 is an apocalyptic number.

9916830 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9916830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16982784).

9916830 is an abundant number, since it is smaller than the sum of its proper divisors (24048738).

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

9916830 is a wasteful number, since it uses less digits than its factorization.

9916830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9916830 is about 3149.0998713918. The cubic root of 9916830 is about 214.8445243366.

The spelling of 9916830 in words is "nine million, nine hundred sixteen thousand, eight hundred thirty".