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432421043 = 2511722793
BaseRepresentation
bin11001110001100…
…011100010110011
31010010200021011012
4121301203202303
51341144433133
6110524141135
713500342515
oct3161434263
91103607135
10432421043
112020aa36a
121009977ab
136b783552
1441603bb5
1527e69b48
hex19c638b3

432421043 has 4 divisors (see below), whose sum is σ = 434144088. Its totient is φ = 430698000.

The previous prime is 432421039. The next prime is 432421051. The reversal of 432421043 is 340124234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340124234 = 2170062117.

It is a cyclic number.

It is not a de Polignac number, because 432421043 - 22 = 432421039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432421013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861146 + ... + 861647.

It is an arithmetic number, because the mean of its divisors is an integer number (108536022).

Almost surely, 2432421043 is an apocalyptic number.

432421043 is a deficient number, since it is larger than the sum of its proper divisors (1723045).

432421043 is a wasteful number, since it uses less digits than its factorization.

432421043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723044.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 432421043 is about 20794.7359444644. The cubic root of 432421043 is about 756.1981432193.

Adding to 432421043 its reverse (340124234), we get a palindrome (772545277).

The spelling of 432421043 in words is "four hundred thirty-two million, four hundred twenty-one thousand, forty-three".

Divisors: 1 251 1722793 432421043