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54039473 = 61885893
BaseRepresentation
bin1100111000100…
…1001110110001
310202200111012222
43032021032301
5102313230343
65210130425
71224220325
oct316111661
9122614188
1054039473
112855a724
1216120a15
13b270c27
147269985
154b26a68
hex33893b1

54039473 has 4 divisors (see below), whose sum is σ = 54925428. Its totient is φ = 53153520.

The previous prime is 54039467. The next prime is 54039487. The reversal of 54039473 is 37493045.

54039473 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, and also an emirpimes, since its reverse is a distinct semiprime: 37493045 = 57498609.

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 53479969 = 748^2 + 7313^2 .

It is a cyclic number.

It is not a de Polignac number, because 54039473 - 26 = 54039409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54039463) 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, 442886 + ... + 443007.

It is an arithmetic number, because the mean of its divisors is an integer number (13731357).

Almost surely, 254039473 is an apocalyptic number.

It is an amenable number.

54039473 is a deficient number, since it is larger than the sum of its proper divisors (885955).

54039473 is an equidigital number, since it uses as much as digits as its factorization.

54039473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885954.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 54039473 is about 7351.1545351734. The cubic root of 54039473 is about 378.0683904325.

The spelling of 54039473 in words is "fifty-four million, thirty-nine thousand, four hundred seventy-three".

Divisors: 1 61 885893 54039473