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228814 = 2114407
BaseRepresentation
bin110111110111001110
3102121212121
4313313032
524310224
64523154
71642045
oct676716
9377777
10228814
11146a03
12b04ba
13801c1
145d55c
1547be4
hex37dce

228814 has 4 divisors (see below), whose sum is σ = 343224. Its totient is φ = 114406.

The previous prime is 228799. The next prime is 228829. The reversal of 228814 is 418822.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (228799) and next prime (228829).

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

228814 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 57202 + ... + 57205.

It is an arithmetic number, because the mean of its divisors is an integer number (85806).

2228814 is an apocalyptic number.

228814 is a deficient number, since it is larger than the sum of its proper divisors (114410).

228814 is a wasteful number, since it uses less digits than its factorization.

228814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114409.

The product of its digits is 1024, while the sum is 25.

The square root of 228814 is about 478.3450637354. The cubic root of 228814 is about 61.1637631325.

It can be divided in two parts, 22 and 8814, that added together give a square (8836 = 942).

The spelling of 228814 in words is "two hundred twenty-eight thousand, eight hundred fourteen".

Divisors: 1 2 114407 228814