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228348 = 22326343
BaseRepresentation
bin110111101111111100
3102121020100
4313233330
524301343
64521100
71640511
oct675774
9377210
10228348
1114661a
12b0190
137cc23
145d308
15479d3
hex37bfc

228348 has 18 divisors (see below), whose sum is σ = 577304. Its totient is φ = 76104.

The previous prime is 228341. The next prime is 228353. The reversal of 228348 is 843822.

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228341) by changing a digit.

228348 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 5 ways as a sum of consecutive naturals, for example, 3136 + ... + 3207.

2228348 is an apocalyptic number.

It is an amenable number.

228348 is an abundant number, since it is smaller than the sum of its proper divisors (348956).

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

228348 is a wasteful number, since it uses less digits than its factorization.

228348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353 (or 6348 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 228348 is about 477.8577194103. The cubic root of 228348 is about 61.1222131039.

It can be divided in two parts, 228 and 348, that added together give a square (576 = 242).

The spelling of 228348 in words is "two hundred twenty-eight thousand, three hundred forty-eight".