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228075 = 3523041
BaseRepresentation
bin110111101011101011
3102120212020
4313223223
524244300
64515523
71636641
oct675353
9376766
10228075
111463a1
12abba3
137ca73
145d191
15478a0
hex37aeb

228075 has 12 divisors (see below), whose sum is σ = 377208. Its totient is φ = 121600.

The previous prime is 228061. The next prime is 228077. The reversal of 228075 is 570822.

It is not a de Polignac number, because 228075 - 27 = 227947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228077) 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 11 ways as a sum of consecutive naturals, for example, 1446 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (31434).

2228075 is an apocalyptic number.

228075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228075 is a deficient number, since it is larger than the sum of its proper divisors (149133).

228075 is a wasteful number, since it uses less digits than its factorization.

228075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 228075 is about 477.5719841029. The cubic root of 228075 is about 61.0978452993.

Adding to 228075 its reverse (570822), we get a palindrome (798897).

The spelling of 228075 in words is "two hundred twenty-eight thousand, seventy-five".

Divisors: 1 3 5 15 25 75 3041 9123 15205 45615 76025 228075