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228754 = 2114377
BaseRepresentation
bin110111110110010010
3102121210101
4313312102
524310004
64523014
71641631
oct676622
9377711
10228754
11146959
12b046a
1380176
145d518
1547ba4
hex37d92

228754 has 4 divisors (see below), whose sum is σ = 343134. Its totient is φ = 114376.

The previous prime is 228751. The next prime is 228757. The reversal of 228754 is 457822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 457822 = 2228911.

It is an interprime number because it is at equal distance from previous prime (228751) and next prime (228757).

It can be written as a sum of positive squares in only one way, i.e., 227529 + 1225 = 477^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (228751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57187 + ... + 57190.

2228754 is an apocalyptic number.

228754 is a deficient number, since it is larger than the sum of its proper divisors (114380).

228754 is a wasteful number, since it uses less digits than its factorization.

228754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114379.

The product of its digits is 4480, while the sum is 28.

The square root of 228754 is about 478.2823433914. The cubic root of 228754 is about 61.1584165094.

The spelling of 228754 in words is "two hundred twenty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 114377 228754