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54005233 = 128941897
BaseRepresentation
bin1100111000000…
…0110111110001
310202121202020211
43032000313301
5102311131413
65205304121
71224015442
oct316006761
9122552224
1054005233
1128536a27
1216105041
13b25b479
14725b2c9
154b1b83d
hex3380df1

54005233 has 4 divisors (see below), whose sum is σ = 54048420. Its totient is φ = 53962048.

The previous prime is 54005207. The next prime is 54005257. The reversal of 54005233 is 33250045.

54005233 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 can be written as a sum of positive squares in 2 ways, for example, as 40806544 + 13198689 = 6388^2 + 3633^2 .

It is a cyclic number.

It is not a de Polignac number, because 54005233 - 221 = 51908081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54005293) 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, 19660 + ... + 22237.

It is an arithmetic number, because the mean of its divisors is an integer number (13512105).

Almost surely, 254005233 is an apocalyptic number.

It is an amenable number.

54005233 is a deficient number, since it is larger than the sum of its proper divisors (43187).

54005233 is a wasteful number, since it uses less digits than its factorization.

54005233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43186.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 54005233 is about 7348.8252802744. The cubic root of 54005233 is about 377.9885241423.

Adding to 54005233 its reverse (33250045), we get a palindrome (87255278).

The spelling of 54005233 in words is "fifty-four million, five thousand, two hundred thirty-three".

Divisors: 1 1289 41897 54005233