| Base | Representation |
|---|---|
| bin | 11011010001101… |
| … | …10001010000000 |
| 3 | 120221112211020000 |
| 4 | 31220312022000 |
| 5 | 432033431032 |
| 6 | 34412120000 |
| 7 | 5445602415 |
| oct | 1550661200 |
| 9 | 527484200 |
| 10 | 228811392 |
| 11 | 108181427 |
| 12 | 64766000 |
| 13 | 38534274 |
| 14 | 2256210c |
| 15 | 1514ae7c |
| hex | da36280 |
228811392 has 160 divisors (see below), whose sum is σ = 705345300. Its totient is φ = 73543680.
The previous prime is 228811391. The next prime is 228811393. The reversal of 228811392 is 293118822.
228811392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (228811391) and next prime (228811393).
It can be written as a sum of positive squares in 2 ways, for example, as 201185856 + 27625536 = 14184^2 + 5256^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (228811391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 300292 + ... + 301052.
Almost surely, 2228811392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228811392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352672650).
228811392 is an abundant number, since it is smaller than the sum of its proper divisors (476533908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228811392 is an equidigital number, since it uses as much as digits as its factorization.
228811392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816 (or 795 counting only the distinct ones).
The product of its digits is 13824, while the sum is 36.
The square root of 228811392 is about 15126.5128830144. The cubic root of 228811392 is about 611.6353075201.
The spelling of 228811392 in words is "two hundred twenty-eight million, eight hundred eleven thousand, three hundred ninety-two".
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