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10228730 = 251760169
BaseRepresentation
bin100111000001…
…001111111010
3201020200011212
4213001033322
510104304410
61003123122
7152641241
oct47011772
921220155
1010228730
115856aa6
1235134a2
132171a05
141503958
15d70b05
hex9c13fa

10228730 has 16 divisors (see below), whose sum is σ = 19495080. Its totient is φ = 3850752.

The previous prime is 10228727. The next prime is 10228733. The reversal of 10228730 is 3782201.

It is an interprime number because it is at equal distance from previous prime (10228727) and next prime (10228733).

It can be written as a sum of positive squares in 4 ways, for example, as 10220809 + 7921 = 3197^2 + 89^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10228696 and 10228705.

It is not an unprimeable number, because it can be changed into a prime (10228733) 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, 29915 + ... + 30254.

Almost surely, 210228730 is an apocalyptic number.

10228730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10228730 is a deficient number, since it is larger than the sum of its proper divisors (9266350).

10228730 is a wasteful number, since it uses less digits than its factorization.

10228730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60193.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 10228730 is about 3198.2385777174. The cubic root of 10228730 is about 217.0737147540.

The spelling of 10228730 in words is "ten million, two hundred twenty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 60169 120338 300845 601690 1022873 2045746 5114365 10228730