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432813 = 3144271
BaseRepresentation
bin1101001101010101101
3210222201010
41221222231
5102322223
613135433
73451563
oct1515255
9728633
10432813
112761a7
1218a579
13122004
14b3a33
1588393
hex69aad

432813 has 4 divisors (see below), whose sum is σ = 577088. Its totient is φ = 288540.

The previous prime is 432799. The next prime is 432833. The reversal of 432813 is 318234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 432813 - 24 = 432797 is a prime.

It is a d-powerful number, because it can be written as 48 + 310 + 8 + 217 + 1 + 311 .

It is a D-number.

It is a Duffinian number.

432813 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 432813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432833) 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, 72133 + ... + 72138.

It is an arithmetic number, because the mean of its divisors is an integer number (144272).

2432813 is an apocalyptic number.

It is an amenable number.

432813 is a deficient number, since it is larger than the sum of its proper divisors (144275).

432813 is a wasteful number, since it uses less digits than its factorization.

432813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144274.

The product of its digits is 576, while the sum is 21.

The square root of 432813 is about 657.8852483526. The cubic root of 432813 is about 75.6426553046.

The spelling of 432813 in words is "four hundred thirty-two thousand, eight hundred thirteen".

Divisors: 1 3 144271 432813