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228176 = 24131097
BaseRepresentation
bin110111101101010000
3102120222222
4313231100
524300201
64520212
71640144
oct675520
9376888
10228176
11146483
12b0068
137cb20
145d224
154791b
hex37b50

228176 has 20 divisors (see below), whose sum is σ = 476532. Its totient is φ = 105216.

The previous prime is 228139. The next prime is 228181. The reversal of 228176 is 671822.

It can be written as a sum of positive squares in 2 ways, for example, as 48400 + 179776 = 220^2 + 424^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 756.

2228176 is an apocalyptic number.

228176 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

228176 is an abundant number, since it is smaller than the sum of its proper divisors (248356).

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

228176 is a wasteful number, since it uses less digits than its factorization.

228176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1112 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 228176 is about 477.6777156201. The cubic root of 228176 is about 61.1068627595.

Subtracting from 228176 its sum of digits (26), we obtain a triangular number (228150 = T675).

Adding to 228176 its reverse (671822), we get a palindrome (899998).

It can be divided in two parts, 228 and 176, that added together give a palindrome (404).

The spelling of 228176 in words is "two hundred twenty-eight thousand, one hundred seventy-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 1097 2194 4388 8776 14261 17552 28522 57044 114088 228176