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54026387 = 81166617
BaseRepresentation
bin1100111000011…
…0000010010011
310202122211021022
43032012002103
5102312321022
65205550055
71224134222
oct316060223
9122584238
1054026387
1128550908
121611532b
13b267c9c
147264cb9
154b22c42
hex3386093

54026387 has 4 divisors (see below), whose sum is σ = 54093816. Its totient is φ = 53958960.

The previous prime is 54026383. The next prime is 54026393. The reversal of 54026387 is 78362045.

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: 78362045 = 515672409.

It is a cyclic number.

It is not a de Polignac number, because 54026387 - 22 = 54026383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54026383) 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 3 ways as a sum of consecutive naturals, for example, 32498 + ... + 34119.

It is an arithmetic number, because the mean of its divisors is an integer number (13523454).

Almost surely, 254026387 is an apocalyptic number.

54026387 is a deficient number, since it is larger than the sum of its proper divisors (67429).

54026387 is an equidigital number, since it uses as much as digits as its factorization.

54026387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67428.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 54026387 is about 7350.2644170125. The cubic root of 54026387 is about 378.0378707520.

The spelling of 54026387 in words is "fifty-four million, twenty-six thousand, three hundred eighty-seven".

Divisors: 1 811 66617 54026387