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54243089 = 271200159
BaseRepresentation
bin1100111011101…
…0111100010001
310210001211112022
43032322330101
5102341234324
65214341225
71226026055
oct316727421
9123054468
1054243089
11286896aa
12161ba815
13b312804
1472bdc65
154b6705e
hex33baf11

54243089 has 4 divisors (see below), whose sum is σ = 54443520. Its totient is φ = 54042660.

The previous prime is 54243083. The next prime is 54243109. The reversal of 54243089 is 98034245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54243089 - 28 = 54242833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54243083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99809 + ... + 100350.

It is an arithmetic number, because the mean of its divisors is an integer number (13610880).

Almost surely, 254243089 is an apocalyptic number.

It is an amenable number.

54243089 is a deficient number, since it is larger than the sum of its proper divisors (200431).

54243089 is a wasteful number, since it uses less digits than its factorization.

54243089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200430.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 54243089 is about 7364.9907671361. The cubic root of 54243089 is about 378.5426381469.

The spelling of 54243089 in words is "fifty-four million, two hundred forty-three thousand, eighty-nine".

Divisors: 1 271 200159 54243089