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312230 = 2531223
BaseRepresentation
bin1001100001110100110
3120212022002
41030032212
534442410
610405302
72440202
oct1141646
9525262
10312230
111a3646
12130832
13ac169
1481b02
15627a5
hex4c3a6

312230 has 8 divisors (see below), whose sum is σ = 562032. Its totient is φ = 124888.

The previous prime is 312229. The next prime is 312233. The reversal of 312230 is 32213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233) 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, 15602 + ... + 15621.

It is an arithmetic number, because the mean of its divisors is an integer number (70254).

2312230 is an apocalyptic number.

312230 is a deficient number, since it is larger than the sum of its proper divisors (249802).

312230 is a wasteful number, since it uses less digits than its factorization.

312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31230.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 312230 is about 558.7754468478. The cubic root of 312230 is about 67.8408909767.

Adding to 312230 its reverse (32213), we get a palindrome (344443).

The spelling of 312230 in words is "three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 31223 62446 156115 312230