Search a number
-
+
45330509 = 729223303
BaseRepresentation
bin1010110011101…
…1000001001101
310011022000202202
42230323001031
543101034014
64255331245
71060205630
oct254730115
9104260682
1045330509
1123651534
1213220b25
139511bb3
14603dc17
153ea63de
hex2b3b04d

45330509 has 8 divisors (see below), whose sum is σ = 53592960. Its totient is φ = 37514736.

The previous prime is 45330499. The next prime is 45330511. The reversal of 45330509 is 90503354.

45330509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45330509 - 28 = 45330253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45330569) 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, 111449 + ... + 111854.

It is an arithmetic number, because the mean of its divisors is an integer number (6699120).

Almost surely, 245330509 is an apocalyptic number.

It is an amenable number.

45330509 is a deficient number, since it is larger than the sum of its proper divisors (8262451).

45330509 is a wasteful number, since it uses less digits than its factorization.

45330509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223339.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 45330509 is about 6732.7935509712. The cubic root of 45330509 is about 356.5580110789.

The spelling of 45330509 in words is "forty-five million, three hundred thirty thousand, five hundred nine".

Divisors: 1 7 29 203 223303 1563121 6475787 45330509