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54145011 = 318048337
BaseRepresentation
bin1100111010001…
…0111111110011
310202212211222210
43032202333303
5102330120021
65212303203
71225140114
oct316427763
9122784883
1054145011
1128621a48
1216171b03
13b2a9c8b
14729620b
154b47e76
hex33a2ff3

54145011 has 4 divisors (see below), whose sum is σ = 72193352. Its totient is φ = 36096672.

The previous prime is 54145009. The next prime is 54145031. The reversal of 54145011 is 11054145.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54145011 - 21 = 54145009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54145031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9024166 + ... + 9024171.

It is an arithmetic number, because the mean of its divisors is an integer number (18048338).

Almost surely, 254145011 is an apocalyptic number.

54145011 is a deficient number, since it is larger than the sum of its proper divisors (18048341).

54145011 is a wasteful number, since it uses less digits than its factorization.

54145011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18048340.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 54145011 is about 7358.3293620223. The cubic root of 54145011 is about 378.3143503621.

Adding to 54145011 its reverse (11054145), we get a palindrome (65199156).

The spelling of 54145011 in words is "fifty-four million, one hundred forty-five thousand, eleven".

Divisors: 1 3 18048337 54145011