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423243 = 32313741
BaseRepresentation
bin1100111010101001011
3210111120200
41213111023
5102020433
613023243
73411642
oct1472513
9714520
10423243
11269a97
12184b23
1311a852
14b0359
1585613
hex6754b

423243 has 24 divisors (see below), whose sum is σ = 663936. Its totient is φ = 259200.

The previous prime is 423233. The next prime is 423251. The reversal of 423243 is 342324.

423243 is a `hidden beast` number, since 423 + 243 = 666.

It is not a de Polignac number, because 423243 - 26 = 423179 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423233) 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 23 ways as a sum of consecutive naturals, for example, 10303 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (27664).

2423243 is an apocalyptic number.

423243 is a deficient number, since it is larger than the sum of its proper divisors (240693).

423243 is a wasteful number, since it uses less digits than its factorization.

423243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 112 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 423243 is about 650.5712874082. The cubic root of 423243 is about 75.0809792001.

Adding to 423243 its reverse (342324), we get a palindrome (765567).

It can be divided in two parts, 423 and 243, that added together give a palindrome (666).

The spelling of 423243 in words is "four hundred twenty-three thousand, two hundred forty-three", and thus it is an iban number.

Divisors: 1 3 9 31 37 41 93 111 123 279 333 369 1147 1271 1517 3441 3813 4551 10323 11439 13653 47027 141081 423243