Search a number
-
+
54081 = 332003
BaseRepresentation
bin1101001101000001
32202012000
431031001
53212311
61054213
7313446
oct151501
982160
1054081
11376a5
1227369
131b801
14159cd
1511056
hexd341

54081 has 8 divisors (see below), whose sum is σ = 80160. Its totient is φ = 36036.

The previous prime is 54059. The next prime is 54083. The reversal of 54081 is 18045.

It is not a de Polignac number, because 54081 - 25 = 54049 is a prime.

It is a super-2 number, since 2×540812 = 5849509122, which contains 22 as substring.

54081 is a modest number, since divided by 81 gives 54 as remainder.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (54083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (10020).

254081 is an apocalyptic number.

It is an amenable number.

54081 is a deficient number, since it is larger than the sum of its proper divisors (26079).

54081 is a wasteful number, since it uses less digits than its factorization.

54081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 54081 is about 232.5532197154. The cubic root of 54081 is about 37.8165208711.

The spelling of 54081 in words is "fifty-four thousand, eighty-one".

Divisors: 1 3 9 27 2003 6009 18027 54081