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54050639 = 311743569
BaseRepresentation
bin1100111000101…
…1111101001111
310202201001112112
43032023331033
5102314110024
65210254235
71224265016
oct316137517
9122631475
1054050639
1128568055
121612737b
13b276036
14726da7d
154b2a00e
hex338bf4f

54050639 has 4 divisors (see below), whose sum is σ = 55794240. Its totient is φ = 52307040.

The previous prime is 54050629. The next prime is 54050651. The reversal of 54050639 is 93605045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93605045 = 518721009.

It is a cyclic number.

It is not a de Polignac number, because 54050639 - 212 = 54046543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54050629) 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, 871754 + ... + 871815.

It is an arithmetic number, because the mean of its divisors is an integer number (13948560).

Almost surely, 254050639 is an apocalyptic number.

54050639 is a deficient number, since it is larger than the sum of its proper divisors (1743601).

54050639 is a wasteful number, since it uses less digits than its factorization.

54050639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743600.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 54050639 is about 7351.9139684847. The cubic root of 54050639 is about 378.0944283186.

The spelling of 54050639 in words is "fifty-four million, fifty thousand, six hundred thirty-nine".

Divisors: 1 31 1743569 54050639