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434023 = 716113
BaseRepresentation
bin1101001111101100111
3211001100221
41221331213
5102342043
613145211
73455242
oct1517547
9731327
10434023
112770a7
1218b207
13122725
14b4259
15888ed
hex69f67

434023 has 4 divisors (see below), whose sum is σ = 440208. Its totient is φ = 427840.

The previous prime is 434011. The next prime is 434029. The reversal of 434023 is 320434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320434 = 2160217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-434023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 433988 and 434006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434029) 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 3 ways as a sum of consecutive naturals, for example, 2986 + ... + 3127.

It is an arithmetic number, because the mean of its divisors is an integer number (110052).

2434023 is an apocalyptic number.

434023 is a deficient number, since it is larger than the sum of its proper divisors (6185).

434023 is an equidigital number, since it uses as much as digits as its factorization.

434023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 434023 is about 658.8042197800. The cubic root of 434023 is about 75.7130802161.

Adding to 434023 its reverse (320434), we get a palindrome (754457).

The spelling of 434023 in words is "four hundred thirty-four thousand, twenty-three".

Divisors: 1 71 6113 434023