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8228690 = 251974177
BaseRepresentation
bin11111011000111101010010
3120111001122022
4133120331102
54101304230
6452211442
7126641231
oct37307522
916431568
108228690
114710378
122909b82
131921562
141142b18
15ac81e5
hex7d8f52

8228690 has 16 divisors (see below), whose sum is σ = 14890392. Its totient is φ = 3273984.

The previous prime is 8228651. The next prime is 8228723. The reversal of 8228690 is 968228.

It can be written as a sum of positive squares in 4 ways, for example, as 8128201 + 100489 = 2851^2 + 317^2 .

It is a super-2 number, since 2×82286902 = 135422678232200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8228690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 4058.

Almost surely, 28228690 is an apocalyptic number.

8228690 is a deficient number, since it is larger than the sum of its proper divisors (6661702).

8228690 is a wasteful number, since it uses less digits than its factorization.

8228690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 8228690 is about 2868.5693298228. The cubic root of 8228690 is about 201.8878735955.

The spelling of 8228690 in words is "eight million, two hundred twenty-eight thousand, six hundred ninety".

Divisors: 1 2 5 10 197 394 985 1970 4177 8354 20885 41770 822869 1645738 4114345 8228690