Search a number
-
+
54005289 = 3138915559
BaseRepresentation
bin1100111000000…
…0111000101001
310202121202022220
43032000320221
5102311132124
65205304253
71224015552
oct316007051
9122552286
1054005289
1128536a78
1216105089
13b25b4c0
14725b329
154b1b879
hex3380e29

54005289 has 16 divisors (see below), whose sum is σ = 78422400. Its totient is φ = 32858496.

The previous prime is 54005267. The next prime is 54005293. The reversal of 54005289 is 98250045.

It is not a de Polignac number, because 54005289 - 25 = 54005257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54005389) 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, 4309 + ... + 11250.

It is an arithmetic number, because the mean of its divisors is an integer number (4901400).

Almost surely, 254005289 is an apocalyptic number.

It is an amenable number.

54005289 is a deficient number, since it is larger than the sum of its proper divisors (24417111).

54005289 is a wasteful number, since it uses less digits than its factorization.

54005289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 54005289 is about 7348.8290904062. The cubic root of 54005289 is about 377.9886547923.

The spelling of 54005289 in words is "fifty-four million, five thousand, two hundred eighty-nine".

Divisors: 1 3 13 39 89 267 1157 3471 15559 46677 202267 606801 1384751 4154253 18001763 54005289