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228875 = 531831
BaseRepresentation
bin110111111000001011
3102121221212
4313320023
524311000
64523335
71642163
oct677013
9377855
10228875
11146a59
12b054b
138023a
145d5a3
1547c35
hex37e0b

228875 has 8 divisors (see below), whose sum is σ = 285792. Its totient is φ = 183000.

The previous prime is 228869. The next prime is 228881. The reversal of 228875 is 578822.

It is an interprime number because it is at equal distance from previous prime (228869) and next prime (228881).

It is not a de Polignac number, because 228875 - 24 = 228859 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228875.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 791 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (35724).

2228875 is an apocalyptic number.

228875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228875 is a deficient number, since it is larger than the sum of its proper divisors (56917).

228875 is an equidigital number, since it uses as much as digits as its factorization.

228875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1836 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 228875 is about 478.4088209889. The cubic root of 228875 is about 61.1691979078.

The spelling of 228875 in words is "two hundred twenty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 1831 9155 45775 228875