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2422443 = 31942499
BaseRepresentation
bin1001001111011010101011
311120001222010
421033122223
51110004233
6123531003
726406342
oct11173253
94501863
102422443
111405021
12989a63
1366a7ca
14470b59
1532cb63
hex24f6ab

2422443 has 8 divisors (see below), whose sum is σ = 3400000. Its totient is φ = 1529928.

The previous prime is 2422439. The next prime is 2422447. The reversal of 2422443 is 3442242.

It is an interprime number because it is at equal distance from previous prime (2422439) and next prime (2422447).

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

It is not a de Polignac number, because 2422443 - 22 = 2422439 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 46 + 217 + 221 + 48 + 48 + 310 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2422447) 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 7 ways as a sum of consecutive naturals, for example, 21193 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (425000).

22422443 is an apocalyptic number.

2422443 is a deficient number, since it is larger than the sum of its proper divisors (977557).

2422443 is a wasteful number, since it uses less digits than its factorization.

2422443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42521.

The product of its digits is 1536, while the sum is 21.

The square root of 2422443 is about 1556.4199304815. The cubic root of 2422443 is about 134.3026315211.

Adding to 2422443 its reverse (3442242), we get a palindrome (5864685).

The spelling of 2422443 in words is "two million, four hundred twenty-two thousand, four hundred forty-three".

Divisors: 1 3 19 57 42499 127497 807481 2422443