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382223 = 1920117
BaseRepresentation
bin1011101010100001111
3201102022102
41131110033
544212343
612105315
73151232
oct1352417
9642272
10382223
11241196
1216523b
13104c8a
149d419
15783b8
hex5d50f

382223 has 4 divisors (see below), whose sum is σ = 402360. Its totient is φ = 362088.

The previous prime is 382189. The next prime is 382229. The reversal of 382223 is 322283.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 382223 - 212 = 378127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 382195 and 382204.

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 382223.

It is not an unprimeable number, because it can be changed into a prime (382229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10040 + ... + 10077.

It is an arithmetic number, because the mean of its divisors is an integer number (100590).

2382223 is an apocalyptic number.

382223 is a deficient number, since it is larger than the sum of its proper divisors (20137).

382223 is a wasteful number, since it uses less digits than its factorization.

382223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136.

The product of its digits is 576, while the sum is 20.

The square root of 382223 is about 618.2418620572. The cubic root of 382223 is about 72.5725314557.

The spelling of 382223 in words is "three hundred eighty-two thousand, two hundred twenty-three".

Divisors: 1 19 20117 382223