Search a number
-
+
7483645 = 513115133
BaseRepresentation
bin11100100011000011111101
3112002012122001
4130203003331
53403434040
6424222301
7120416131
oct34430375
915065561
107483645
114251634
12260a991
1317203c0
14dcb3c1
159cc59a
hex7230fd

7483645 has 8 divisors (see below), whose sum is σ = 9671256. Its totient is φ = 5526336.

The previous prime is 7483643. The next prime is 7483649. The reversal of 7483645 is 5463847.

7483645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 290521 + 7193124 = 539^2 + 2682^2 .

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 7483645 - 21 = 7483643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7483643) 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, 57502 + ... + 57631.

It is an arithmetic number, because the mean of its divisors is an integer number (1208907).

Almost surely, 27483645 is an apocalyptic number.

It is an amenable number.

7483645 is a deficient number, since it is larger than the sum of its proper divisors (2187611).

7483645 is a wasteful number, since it uses less digits than its factorization.

7483645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115151.

The product of its digits is 80640, while the sum is 37.

The square root of 7483645 is about 2735.6251570710. The cubic root of 7483645 is about 195.6009948190.

It can be divided in two parts, 7483 and 645, that added together give a triangular number (8128 = T127).

The spelling of 7483645 in words is "seven million, four hundred eighty-three thousand, six hundred forty-five".

Divisors: 1 5 13 65 115133 575665 1496729 7483645