Base | Representation |
---|---|
bin | 11011010001011… |
… | …00110101000110 |
3 | 120221110212211010 |
4 | 31220230311012 |
5 | 432031220230 |
6 | 34411223050 |
7 | 5445353142 |
oct | 1550546506 |
9 | 527425733 |
10 | 228773190 |
11 | 108155758 |
12 | 64747a86 |
13 | 3851ca69 |
14 | 22552222 |
15 | 1513e9b0 |
hex | da2cd46 |
228773190 has 32 divisors (see below), whose sum is σ = 551370240. Its totient is φ = 60749024.
The previous prime is 228773189. The next prime is 228773191. The reversal of 228773190 is 91377822.
228773190 is digitally balanced in base 2, 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 (228773189) and next prime (228773191).
It is a super-3 number, since 3×2287731903 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a zygodrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228773191) 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, 8784 + ... + 23123.
It is an arithmetic number, because the mean of its divisors is an integer number (17230320).
Almost surely, 2228773190 is an apocalyptic number.
228773190 is an abundant number, since it is smaller than the sum of its proper divisors (322597050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228773190 is a wasteful number, since it uses less digits than its factorization.
228773190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32156.
The product of its (nonzero) digits is 42336, while the sum is 39.
The square root of 228773190 is about 15125.2500805772. The cubic root of 228773190 is about 611.6012663937.
The spelling of 228773190 in words is "two hundred twenty-eight million, seven hundred seventy-three thousand, one hundred ninety".
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