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54021827 = 90759561
BaseRepresentation
bin1100111000010…
…0111011000011
310202122121000102
43032010323003
5102312144302
65205513015
71224115016
oct316047303
9122577012
1054021827
1128548442
121611276b
13b265ba2
14726337d
154b21702
hex3384ec3

54021827 has 4 divisors (see below), whose sum is σ = 54082296. Its totient is φ = 53961360.

The previous prime is 54021823. The next prime is 54021829. The reversal of 54021827 is 72812045.

54021827 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.

It is a cyclic number.

It is not a de Polignac number, because 54021827 - 22 = 54021823 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 54021827.

It is not an unprimeable number, because it can be changed into a prime (54021823) 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, 28874 + ... + 30687.

It is an arithmetic number, because the mean of its divisors is an integer number (13520574).

Almost surely, 254021827 is an apocalyptic number.

54021827 is a deficient number, since it is larger than the sum of its proper divisors (60469).

54021827 is an equidigital number, since it uses as much as digits as its factorization.

54021827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60468.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 54021827 is about 7349.9542175445. The cubic root of 54021827 is about 378.0272345839.

The spelling of 54021827 in words is "fifty-four million, twenty-one thousand, eight hundred twenty-seven".

Divisors: 1 907 59561 54021827