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232385 = 546477
BaseRepresentation
bin111000101111000001
3102210202212
4320233001
524414020
64551505
71655336
oct705701
9383685
10232385
1114965a
12b2595
1381a0a
146098d
1548cc5
hex38bc1

232385 has 4 divisors (see below), whose sum is σ = 278868. Its totient is φ = 185904.

The previous prime is 232381. The next prime is 232391. The reversal of 232385 is 583232.

232385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69169 + 163216 = 263^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 232385 - 22 = 232381 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232385.

It is not an unprimeable number, because it can be changed into a prime (232381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23234 + ... + 23243.

It is an arithmetic number, because the mean of its divisors is an integer number (69717).

2232385 is an apocalyptic number.

It is an amenable number.

232385 is a deficient number, since it is larger than the sum of its proper divisors (46483).

232385 is an equidigital number, since it uses as much as digits as its factorization.

232385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46482.

The product of its digits is 1440, while the sum is 23.

The square root of 232385 is about 482.0632738552. The cubic root of 232385 is about 61.4803074413.

The spelling of 232385 in words is "two hundred thirty-two thousand, three hundred eighty-five".

Divisors: 1 5 46477 232385