Search a number
-
+
5427987 = 32297901
BaseRepresentation
bin10100101101001100010011
3101012202210120
4110231030103
52342143422
6312201323
764065015
oct24551423
911182716
105427987
113078144
121999243
131180836
14a141b5
1572345c
hex52d313

5427987 has 8 divisors (see below), whose sum is σ = 7269840. Its totient is φ = 3602400.

The previous prime is 5427973. The next prime is 5428013. The reversal of 5427987 is 7897245.

5427987 is digitally balanced in base 3, 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 not a de Polignac number, because 5427987 - 26 = 5427923 is a prime.

5427987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5427907) 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 7 ways as a sum of consecutive naturals, for example, 3264 + ... + 4637.

It is an arithmetic number, because the mean of its divisors is an integer number (908730).

Almost surely, 25427987 is an apocalyptic number.

5427987 is a deficient number, since it is larger than the sum of its proper divisors (1841853).

5427987 is a wasteful number, since it uses less digits than its factorization.

5427987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133.

The product of its digits is 141120, while the sum is 42.

The square root of 5427987 is about 2329.8040690152. The cubic root of 5427987 is about 175.7436328611.

The spelling of 5427987 in words is "five million, four hundred twenty-seven thousand, nine hundred eighty-seven".

Divisors: 1 3 229 687 7901 23703 1809329 5427987