Search a number
-
+
54027489 = 318009163
BaseRepresentation
bin1100111000011…
…0010011100001
310202122212210010
43032012103201
5102312334424
65205555133
71224140355
oct316062341
9122585703
1054027489
112855171a
1216115aa9
13b268639
147265465
154b23229
hex33864e1

54027489 has 4 divisors (see below), whose sum is σ = 72036656. Its totient is φ = 36018324.

The previous prime is 54027473. The next prime is 54027497. The reversal of 54027489 is 98472045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54027489 - 24 = 54027473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54027409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9004579 + ... + 9004584.

It is an arithmetic number, because the mean of its divisors is an integer number (18009164).

Almost surely, 254027489 is an apocalyptic number.

It is an amenable number.

54027489 is a deficient number, since it is larger than the sum of its proper divisors (18009167).

54027489 is a wasteful number, since it uses less digits than its factorization.

54027489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18009166.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 54027489 is about 7350.3393799198. The cubic root of 54027489 is about 378.0404410694.

The spelling of 54027489 in words is "fifty-four million, twenty-seven thousand, four hundred eighty-nine".

Divisors: 1 3 18009163 54027489