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108228 = 22329311
BaseRepresentation
bin11010011011000100
312111110110
4122123010
511430403
62153020
7630351
oct323304
9174413
10108228
117434a
1252770
133a353
142b628
1522103
hex1a6c4

108228 has 24 divisors (see below), whose sum is σ = 262080. Its totient is φ = 34720.

The previous prime is 108223. The next prime is 108233. The reversal of 108228 is 822801.

It is an interprime number because it is at equal distance from previous prime (108223) and next prime (108233).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (108223) by changing a digit.

108228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193 + ... + 503.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2108228 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 108228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131040).

108228 is an abundant number, since it is smaller than the sum of its proper divisors (153852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108228 is a wasteful number, since it uses less digits than its factorization.

108228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 108228 is about 328.9802425678. The cubic root of 108228 is about 47.6555198043.

The spelling of 108228 in words is "one hundred eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 311 348 622 933 1244 1866 3732 9019 18038 27057 36076 54114 108228