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54144111 = 375348647
BaseRepresentation
bin1100111010001…
…0110001101111
310202212210202110
43032202301233
5102330102421
65212255103
71225134360
oct316426157
9122783673
1054144111
11286212aa
1216171493
13b2a9748
147295b67
154b47a76
hex33a2c6f

54144111 has 16 divisors (see below), whose sum is σ = 84063744. Its totient is φ = 30355104.

The previous prime is 54144109. The next prime is 54144121. The reversal of 54144111 is 11144145.

It is not a de Polignac number, because 54144111 - 21 = 54144109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54144121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23211 + ... + 25436.

It is an arithmetic number, because the mean of its divisors is an integer number (5253984).

Almost surely, 254144111 is an apocalyptic number.

54144111 is a deficient number, since it is larger than the sum of its proper divisors (29919633).

54144111 is a wasteful number, since it uses less digits than its factorization.

54144111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48710.

The product of its digits is 320, while the sum is 21.

The square root of 54144111 is about 7358.2682065823. The cubic root of 54144111 is about 378.3122542330.

Adding to 54144111 its reverse (11144145), we get a palindrome (65288256).

The spelling of 54144111 in words is "fifty-four million, one hundred forty-four thousand, one hundred eleven".

Divisors: 1 3 7 21 53 159 371 1113 48647 145941 340529 1021587 2578291 7734873 18048037 54144111