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54078503 = 1913121727
BaseRepresentation
bin1100111001001…
…0110000100111
310202202110202112
43032102300213
5102321003003
65211031235
71224442163
oct316226047
9122673675
1054078503
1128586a86
121613b51b
13b28591b
147279ca3
154b333d8
hex3392c27

54078503 has 8 divisors (see below), whose sum is σ = 57361920. Its totient is φ = 50838840.

The previous prime is 54078491. The next prime is 54078509. The reversal of 54078503 is 30587045.

It is a happy number.

54078503 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 54078503 - 24 = 54078487 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 54078503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54078509) 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, 8375 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (7170240).

Almost surely, 254078503 is an apocalyptic number.

54078503 is a deficient number, since it is larger than the sum of its proper divisors (3283417).

54078503 is a wasteful number, since it uses less digits than its factorization.

54078503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21877.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 54078503 is about 7353.8087410538. The cubic root of 54078503 is about 378.1593884714.

The spelling of 54078503 in words is "fifty-four million, seventy-eight thousand, five hundred three".

Divisors: 1 19 131 2489 21727 412813 2846237 54078503