Search a number
-
+
42330513 = 343332587
BaseRepresentation
bin1010000101111…
…0100110010001
32221122121112210
42201132212101
541314034023
64111142333
71022542401
oct241364621
987577483
1042330513
11219925a5
12122149a9
138a01554
14589c801
153ab2593
hex285e991

42330513 has 8 divisors (see below), whose sum is σ = 56572768. Its totient is φ = 28154304.

The previous prime is 42330487. The next prime is 42330551. The reversal of 42330513 is 31503324.

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

It is not a de Polignac number, because 42330513 - 25 = 42330481 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 42330513.

It is not an unprimeable number, because it can be changed into a prime (42330713) 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, 14995 + ... + 17592.

It is an arithmetic number, because the mean of its divisors is an integer number (7071596).

Almost surely, 242330513 is an apocalyptic number.

It is an amenable number.

42330513 is a deficient number, since it is larger than the sum of its proper divisors (14242255).

42330513 is a wasteful number, since it uses less digits than its factorization.

42330513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33023.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 42330513 is about 6506.1903599572. The cubic root of 42330513 is about 348.5120862926.

Adding to 42330513 its reverse (31503324), we get a palindrome (73833837).

The spelling of 42330513 in words is "forty-two million, three hundred thirty thousand, five hundred thirteen".

Divisors: 1 3 433 1299 32587 97761 14110171 42330513