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54399427 = 505910753
BaseRepresentation
bin1100111110000…
…1000111000011
310210100202222121
43033201013003
5102411240202
65221545111
71230246625
oct317410703
9123322877
1054399427
1128786105
1216275197
13b368a14
147320c15
154b98537
hex33e11c3

54399427 has 4 divisors (see below), whose sum is σ = 54415240. Its totient is φ = 54383616.

The previous prime is 54399403. The next prime is 54399431. The reversal of 54399427 is 72499345.

54399427 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 54399427 - 211 = 54397379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54399437) 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, 318 + ... + 10435.

It is an arithmetic number, because the mean of its divisors is an integer number (13603810).

Almost surely, 254399427 is an apocalyptic number.

54399427 is a deficient number, since it is larger than the sum of its proper divisors (15813).

54399427 is a wasteful number, since it uses less digits than its factorization.

54399427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15812.

The product of its digits is 272160, while the sum is 43.

The square root of 54399427 is about 7375.5967216219. The cubic root of 54399427 is about 378.9059645150.

The spelling of 54399427 in words is "fifty-four million, three hundred ninety-nine thousand, four hundred twenty-seven".

Divisors: 1 5059 10753 54399427