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1422004343 = 3187446189
BaseRepresentation
bin101010011000010…
…0001000001110111
310200002202022020112
41110300201001313
510403013114333
6353034253235
750144560154
oct12460410167
93602668215
101422004343
1166a758a01
1233828721b
131987b42b6
14d6bdd22b
1584c8e948
hex54c21077

1422004343 has 4 divisors (see below), whose sum is σ = 1422453720. Its totient is φ = 1421554968.

The previous prime is 1422004307. The next prime is 1422004349. The reversal of 1422004343 is 3434002241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434002241 = 3744791703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422004343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422004349) 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, 219908 + ... + 226281.

It is an arithmetic number, because the mean of its divisors is an integer number (355613430).

Almost surely, 21422004343 is an apocalyptic number.

1422004343 is a deficient number, since it is larger than the sum of its proper divisors (449377).

1422004343 is an equidigital number, since it uses as much as digits as its factorization.

1422004343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449376.

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

The square root of 1422004343 is about 37709.4728549737. The cubic root of 1422004343 is about 1124.5194571196.

Adding to 1422004343 its reverse (3434002241), we get a palindrome (4856006584).

The spelling of 1422004343 in words is "one billion, four hundred twenty-two million, four thousand, three hundred forty-three".

Divisors: 1 3187 446189 1422004343