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393222 = 2365537
BaseRepresentation
bin1100000000000000110
3201222101210
41200000012
5100040342
612232250
73225264
oct1400006
9658353
10393222
11249485
1216b686
13109c9b
14a3434
157b79c
hex60006

393222 has 8 divisors (see below), whose sum is σ = 786456. Its totient is φ = 131072.

The previous prime is 393209. The next prime is 393241. The reversal of 393222 is 222393.

393222 is nontrivially palindromic in base 16.

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

393222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

393222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

In principle, a polygon with 393222 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32763 + ... + 32774.

It is an arithmetic number, because the mean of its divisors is an integer number (98307).

393222 is a Friedman number, since it can be written as 3*(2+2^(9+2^3)), using all its digits and the basic arithmetic operations.

2393222 is an apocalyptic number.

393222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393222 is a wasteful number, since it uses less digits than its factorization.

393222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65542.

The product of its digits is 648, while the sum is 21.

The square root of 393222 is about 627.0741582939. The cubic root of 393222 is about 73.2620841499.

The spelling of 393222 in words is "three hundred ninety-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 65537 131074 196611 393222