Search a number
-
+
424444143 = 3607233083
BaseRepresentation
bin11001010011001…
…000000011101111
31002120122222220110
4121103020003233
51332124203033
6110041151103
713342500324
oct3123100357
91076588813
10424444143
111a8651192
12ba18b493
1369c1c7a6
1440528b4b
15273e1363
hex194c80ef

424444143 has 8 divisors (see below), whose sum is σ = 566860288. Its totient is φ = 282495384.

The previous prime is 424444127. The next prime is 424444247. The reversal of 424444143 is 341444424.

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

It is not a de Polignac number, because 424444143 - 24 = 424444127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424444143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424444543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114721 + ... + 118362.

It is an arithmetic number, because the mean of its divisors is an integer number (70857536).

Almost surely, 2424444143 is an apocalyptic number.

424444143 is a deficient number, since it is larger than the sum of its proper divisors (142416145).

424444143 is a wasteful number, since it uses less digits than its factorization.

424444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233693.

The product of its digits is 24576, while the sum is 30.

The square root of 424444143 is about 20602.0422045971. The cubic root of 424444143 is about 751.5193750320.

Adding to 424444143 its reverse (341444424), we get a palindrome (765888567).

The spelling of 424444143 in words is "four hundred twenty-four million, four hundred forty-four thousand, one hundred forty-three".

Divisors: 1 3 607 1821 233083 699249 141481381 424444143