Base | Representation |
---|---|
bin | 11111011000110101011110 |
3 | 120111000221210 |
4 | 133120311132 |
5 | 4101300230 |
6 | 452205250 |
7 | 126636615 |
oct | 37306536 |
9 | 16430853 |
10 | 8228190 |
11 | 470aa63 |
12 | 2909826 |
13 | 1921269 |
14 | 114287c |
15 | ac7eb0 |
hex | 7d8d5e |
8228190 has 32 divisors (see below), whose sum is σ = 20030976. Its totient is φ = 2162720.
The previous prime is 8228189. The next prime is 8228191. The reversal of 8228190 is 918228.
It is an interprime number because it is at equal distance from previous prime (8228189) and next prime (8228191).
It is a super-2 number, since 2×82281902 = 135406221352200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8228191) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199 + ... + 4061.
It is an arithmetic number, because the mean of its divisors is an integer number (625968).
Almost surely, 28228190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8228190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10015488).
8228190 is an abundant number, since it is smaller than the sum of its proper divisors (11802786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8228190 is a wasteful number, since it uses less digits than its factorization.
8228190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3944.
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 8228190 is about 2868.4821770407. The cubic root of 8228190 is about 201.8837844075.
The spelling of 8228190 in words is "eight million, two hundred twenty-eight thousand, one hundred ninety".
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