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10228686 = 2313711847
BaseRepresentation
bin100111000001…
…001111001110
3201020200010020
4213001033032
510104304221
61003123010
7152641146
oct47011716
921220106
1010228686
115856a66
123513466
1321719a0
141503926
15d70ac6
hex9c13ce

10228686 has 32 divisors (see below), whose sum is σ = 22353408. Its totient is φ = 3101280.

The previous prime is 10228651. The next prime is 10228693. The reversal of 10228686 is 68682201.

10228686 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4615 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (698544).

Almost surely, 210228686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10228686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11176704).

10228686 is an abundant number, since it is smaller than the sum of its proper divisors (12124722).

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

10228686 is a wasteful number, since it uses less digits than its factorization.

10228686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 10228686 is about 3198.2316989236. The cubic root of 10228686 is about 217.0734034981.

The spelling of 10228686 in words is "ten million, two hundred twenty-eight thousand, six hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 71 78 142 213 426 923 1846 1847 2769 3694 5538 5541 11082 24011 48022 72033 131137 144066 262274 393411 786822 1704781 3409562 5114343 10228686