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5443213 = 172961181
BaseRepresentation
bin10100110000111010001101
3101020112200111
4110300322031
52343140323
6312400021
764160266
oct24607215
911215614
105443213
113088626
1219a6011
131187749
14a1996d
15727c0d
hex530e8d

5443213 has 16 divisors (see below), whose sum is σ = 6093360. Its totient is φ = 4838400.

The previous prime is 5443187. The next prime is 5443219. The reversal of 5443213 is 3123445.

It can be written as a sum of positive squares in 8 ways, for example, as 1170724 + 4272489 = 1082^2 + 2067^2 .

It is a cyclic number.

It is not a de Polignac number, because 5443213 - 217 = 5312141 is a prime.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (1440) is a multiple of the sum of its prime divisors (288).

5443213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29983 + ... + 30163.

It is an arithmetic number, because the mean of its divisors is an integer number (380835).

Almost surely, 25443213 is an apocalyptic number.

It is an amenable number.

5443213 is a deficient number, since it is larger than the sum of its proper divisors (650147).

5443213 is a wasteful number, since it uses less digits than its factorization.

5443213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its digits is 1440, while the sum is 22.

The square root of 5443213 is about 2333.0694374579. The cubic root of 5443213 is about 175.9078051054.

Adding to 5443213 its reverse (3123445), we get a palindrome (8566658).

It can be divided in two parts, 54432 and 13, that added together give a palindrome (54445).

The spelling of 5443213 in words is "five million, four hundred forty-three thousand, two hundred thirteen".

Divisors: 1 17 29 61 181 493 1037 1769 3077 5249 11041 30073 89233 187697 320189 5443213