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54828571 = 79780749
BaseRepresentation
bin1101000100100…
…1111000011011
310211011120122211
43101021320123
5103014003241
65235055551
71234015030
oct321117033
9124146584
1054828571
1128a49576
12164415b7
13b489155
1473d3387
154c30781
hex3449e1b

54828571 has 8 divisors (see below), whose sum is σ = 63308000. Its totient is φ = 46510848.

The previous prime is 54828533. The next prime is 54828577. The reversal of 54828571 is 17582845.

54828571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54828571 - 213 = 54820379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54828577) 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 7 ways as a sum of consecutive naturals, for example, 39696 + ... + 41053.

It is an arithmetic number, because the mean of its divisors is an integer number (7913500).

Almost surely, 254828571 is an apocalyptic number.

54828571 is a deficient number, since it is larger than the sum of its proper divisors (8479429).

54828571 is an equidigital number, since it uses as much as digits as its factorization.

54828571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80853.

The product of its digits is 89600, while the sum is 40.

The square root of 54828571 is about 7404.6317261563. The cubic root of 54828571 is about 379.8997219241.

The spelling of 54828571 in words is "fifty-four million, eight hundred twenty-eight thousand, five hundred seventy-one".

Divisors: 1 7 97 679 80749 565243 7832653 54828571