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4340023 = 79137401
BaseRepresentation
bin10000100011100100110111
322011111101121
4100203210313
52102340043
6233004411
751614062
oct20434467
98144347
104340023
1124a47a6
121553707
13b8c57c
1480d8d9
155aaded
hex423937

4340023 has 8 divisors (see below), whose sum is σ = 4438080. Its totient is φ = 4243200.

The previous prime is 4340009. The next prime is 4340057. The reversal of 4340023 is 3200434.

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

It is a cyclic number.

It is not a de Polignac number, because 4340023 - 221 = 2242871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4339979 and 4340006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340003) 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 7 ways as a sum of consecutive naturals, for example, 10623 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (554760).

Almost surely, 24340023 is an apocalyptic number.

4340023 is a deficient number, since it is larger than the sum of its proper divisors (98057).

4340023 is a wasteful number, since it uses less digits than its factorization.

4340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

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

The square root of 4340023 is about 2083.2721857693. The cubic root of 4340023 is about 163.1162932382.

Adding to 4340023 its reverse (3200434), we get a palindrome (7540457).

The spelling of 4340023 in words is "four million, three hundred forty thousand, twenty-three".

Divisors: 1 79 137 401 10823 31679 54937 4340023