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384423 = 3139857
BaseRepresentation
bin1011101110110100111
3201112022220
41131312213
544300143
612123423
73160524
oct1356647
9645286
10384423
11242906
12166573
13105c90
14a014b
1578d83
hex5dda7

384423 has 8 divisors (see below), whose sum is σ = 552048. Its totient is φ = 236544.

The previous prime is 384407. The next prime is 384437. The reversal of 384423 is 324483.

384423 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 384423 - 24 = 384407 is a prime.

It is an Ulam number.

384423 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 384393 and 384402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4890 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (69006).

2384423 is an apocalyptic number.

384423 is a deficient number, since it is larger than the sum of its proper divisors (167625).

384423 is a wasteful number, since it uses less digits than its factorization.

384423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873.

The product of its digits is 2304, while the sum is 24.

The square root of 384423 is about 620.0185481097. The cubic root of 384423 is about 72.7115028781.

The spelling of 384423 in words is "three hundred eighty-four thousand, four hundred twenty-three".

Divisors: 1 3 13 39 9857 29571 128141 384423