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54144291 = 3127142111
BaseRepresentation
bin1100111010001…
…0110100100011
310202212211000010
43032202310203
5102330104131
65212300003
71225135035
oct316426443
9122784003
1054144291
1128621453
1216171603
13b2a9856
147295c55
154b47b46
hex33a2d23

54144291 has 8 divisors (see below), whose sum is σ = 72761344. Its totient is φ = 35811720.

The previous prime is 54144287. The next prime is 54144301. The reversal of 54144291 is 19244145.

54144291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54144291 - 22 = 54144287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54144491) 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, 70675 + ... + 71436.

It is an arithmetic number, because the mean of its divisors is an integer number (9095168).

Almost surely, 254144291 is an apocalyptic number.

54144291 is a deficient number, since it is larger than the sum of its proper divisors (18617053).

54144291 is a wasteful number, since it uses less digits than its factorization.

54144291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142241.

The product of its digits is 5760, while the sum is 30.

The square root of 54144291 is about 7358.2804377110. The cubic root of 54144291 is about 378.3126734607.

The spelling of 54144291 in words is "fifty-four million, one hundred forty-four thousand, two hundred ninety-one".

Divisors: 1 3 127 381 142111 426333 18048097 54144291