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7483213 = 173711897
BaseRepresentation
bin11100100010111101001101
3112002012001001
4130202331031
53403430323
6424220301
7120414643
oct34427515
915065031
107483213
114251281
12260a691
13172014a
14dcb193
159cc3ad
hex722f4d

7483213 has 8 divisors (see below), whose sum is σ = 8138232. Its totient is φ = 6852096.

The previous prime is 7483171. The next prime is 7483237. The reversal of 7483213 is 3123847.

It can be written as a sum of positive squares in 4 ways, for example, as 6086089 + 1397124 = 2467^2 + 1182^2 .

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 7483213 - 29 = 7482701 is a prime.

It is a Duffinian number.

7483213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7483243) 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, 5320 + ... + 6577.

It is an arithmetic number, because the mean of its divisors is an integer number (1017279).

Almost surely, 27483213 is an apocalyptic number.

It is an amenable number.

7483213 is a deficient number, since it is larger than the sum of its proper divisors (655019).

7483213 is a wasteful number, since it uses less digits than its factorization.

7483213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its digits is 4032, while the sum is 28.

The square root of 7483213 is about 2735.5461977455. The cubic root of 7483213 is about 195.5972310000.

The spelling of 7483213 in words is "seven million, four hundred eighty-three thousand, two hundred thirteen".

Divisors: 1 17 37 629 11897 202249 440189 7483213