Search a number
-
+
2442030143 = 72447142567
BaseRepresentation
bin1001000110001110…
…0110110000111111
320022012002222120212
42101203212300333
520000124431033
61042153103035
7114341625260
oct22143466077
96265088525
102442030143
11104350a433
125819b7a7b
132cbc13567
14192480967
15e45c9748
hex918e6c3f

2442030143 has 8 divisors (see below), whose sum is σ = 2792051712. Its totient is φ = 2092298616.

The previous prime is 2442030133. The next prime is 2442030169. The reversal of 2442030143 is 3410302442.

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 2442030143 - 26 = 2442030079 is a prime.

It is a super-2 number, since 2×24420301432 = 11927022438641200898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442030103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54155 + ... + 88412.

It is an arithmetic number, because the mean of its divisors is an integer number (349006464).

Almost surely, 22442030143 is an apocalyptic number.

2442030143 is a deficient number, since it is larger than the sum of its proper divisors (350021569).

2442030143 is a wasteful number, since it uses less digits than its factorization.

2442030143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145021.

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

The square root of 2442030143 is about 49416.9013901115. The cubic root of 2442030143 is about 1346.6363711679.

Adding to 2442030143 its reverse (3410302442), we get a palindrome (5852332585).

The spelling of 2442030143 in words is "two billion, four hundred forty-two million, thirty thousand, one hundred forty-three".

Divisors: 1 7 2447 17129 142567 997969 348861449 2442030143