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394312 = 23232143
BaseRepresentation
bin1100000010001001000
3202000220011
41200101020
5100104222
612241304
73231412
oct1402110
9660804
10394312
1124a286
12170234
1310a629
14a39b2
157bc77
hex60448

394312 has 16 divisors (see below), whose sum is σ = 771840. Its totient is φ = 188496.

The previous prime is 394291. The next prime is 394319. The reversal of 394312 is 213493.

It is not an unprimeable number, because it can be changed into a prime (394319) by changing a digit.

394312 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888 + ... + 1255.

It is an arithmetic number, because the mean of its divisors is an integer number (48240).

2394312 is an apocalyptic number.

It is an amenable number.

394312 is a deficient number, since it is larger than the sum of its proper divisors (377528).

394312 is a wasteful number, since it uses less digits than its factorization.

394312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2168 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 394312 is about 627.9426725426. The cubic root of 394312 is about 73.3297151567.

The spelling of 394312 in words is "three hundred ninety-four thousand, three hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 2143 4286 8572 17144 49289 98578 197156 394312