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54404243 = 151360293
BaseRepresentation
bin1100111110001…
…0010010010011
310210101000120222
43033202102103
5102411413433
65222023255
71230266645
oct317422223
9123330528
1054404243
1128789793
1216277b2b
13b36ac7a
147322895
154b99b98
hex33e2493

54404243 has 4 divisors (see below), whose sum is σ = 54764688. Its totient is φ = 54043800.

The previous prime is 54404227. The next prime is 54404297. The reversal of 54404243 is 34240445.

54404243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54404243 - 24 = 54404227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54400243) 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 3 ways as a sum of consecutive naturals, for example, 179996 + ... + 180297.

It is an arithmetic number, because the mean of its divisors is an integer number (13691172).

Almost surely, 254404243 is an apocalyptic number.

54404243 is a deficient number, since it is larger than the sum of its proper divisors (360445).

54404243 is a wasteful number, since it uses less digits than its factorization.

54404243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360444.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 54404243 is about 7375.9231964548. The cubic root of 54404243 is about 378.9171457436.

Adding to 54404243 its reverse (34240445), we get a palindrome (88644688).

The spelling of 54404243 in words is "fifty-four million, four hundred four thousand, two hundred forty-three".

Divisors: 1 151 360293 54404243