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229385 = 5133529
BaseRepresentation
bin111000000000001001
3102122122202
4320000021
524320020
64525545
71643522
oct700011
9378582
10229385
11147382
12b08b5
1380540
145d849
1547e75
hex38009

229385 has 8 divisors (see below), whose sum is σ = 296520. Its totient is φ = 169344.

The previous prime is 229373. The next prime is 229393. The reversal of 229385 is 583922.

It can be written as a sum of positive squares in 4 ways, for example, as 2809 + 226576 = 53^2 + 476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229385 - 26 = 229321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700 + ... + 1829.

It is an arithmetic number, because the mean of its divisors is an integer number (37065).

229385 is a Friedman number, since it can be written as 9+8^5*(3+2+2), using all its digits and the basic arithmetic operations.

2229385 is an apocalyptic number.

It is an amenable number.

229385 is a deficient number, since it is larger than the sum of its proper divisors (67135).

229385 is a wasteful number, since it uses less digits than its factorization.

229385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547.

The product of its digits is 4320, while the sum is 29.

The square root of 229385 is about 478.9415413179. The cubic root of 229385 is about 61.2145984512.

The spelling of 229385 in words is "two hundred twenty-nine thousand, three hundred eighty-five".

Divisors: 1 5 13 65 3529 17645 45877 229385