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864230 = 2586423
BaseRepresentation
bin11010010111111100110
31121220111112
43102333212
5210123410
630305022
710226423
oct3227746
91556445
10864230
11540344
12358172
132434a3
14186d4a
15121105
hexd2fe6

864230 has 8 divisors (see below), whose sum is σ = 1555632. Its totient is φ = 345688.

The previous prime is 864223. The next prime is 864251. The reversal of 864230 is 32468.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 864196 and 864205.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 864230.

It is an unprimeable number.

864230 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 in 3 ways as a sum of consecutive naturals, for example, 43202 + ... + 43221.

It is an arithmetic number, because the mean of its divisors is an integer number (194454).

2864230 is an apocalyptic number.

864230 is a deficient number, since it is larger than the sum of its proper divisors (691402).

864230 is a wasteful number, since it uses less digits than its factorization.

864230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86430.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 864230 is about 929.6397151585. The cubic root of 864230 is about 95.2525138091.

Adding to 864230 its reverse (32468), we get a palindrome (896698).

The spelling of 864230 in words is "eight hundred sixty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 86423 172846 432115 864230