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54827147 = 232103643
BaseRepresentation
bin1101000100100…
…1100010001011
310211011111201002
43101021202023
5103013432042
65235045215
71234010624
oct321114213
9124144632
1054827147
1128a484a1
121644080b
13b4885cb
1473d2a4b
154c30132
hex344988b

54827147 has 6 divisors (see below), whose sum is σ = 57315132. Its totient is φ = 52442852.

The previous prime is 54827137. The next prime is 54827153. The reversal of 54827147 is 74172845.

It is not a de Polignac number, because 54827147 - 24 = 54827131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54827147.

It is not an unprimeable number, because it can be changed into a prime (54827137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51293 + ... + 52350.

It is an arithmetic number, because the mean of its divisors is an integer number (9552522).

Almost surely, 254827147 is an apocalyptic number.

54827147 is a deficient number, since it is larger than the sum of its proper divisors (2487985).

54827147 is a wasteful number, since it uses less digits than its factorization.

54827147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103689 (or 103666 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 54827147 is about 7404.5355695006. The cubic root of 54827147 is about 379.8964329948.

The spelling of 54827147 in words is "fifty-four million, eight hundred twenty-seven thousand, one hundred forty-seven".

Divisors: 1 23 529 103643 2383789 54827147