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40060 = 2252003
BaseRepresentation
bin1001110001111100
32000221201
421301330
52240220
6505244
7224536
oct116174
960851
1040060
1128109
121b224
1315307
1410856
15bd0a
hex9c7c

40060 has 12 divisors (see below), whose sum is σ = 84168. Its totient is φ = 16016.

The previous prime is 40039. The next prime is 40063. The reversal of 40060 is 6004.

It is a Harshad number since it is a multiple of its sum of digits (10).

40060 is a modest number, since divided by 60 gives 40 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40063) by changing a digit.

40060 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (7014).

240060 is an apocalyptic number.

It is an amenable number.

40060 is an abundant number, since it is smaller than the sum of its proper divisors (44108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42084).

40060 is a wasteful number, since it uses less digits than its factorization.

40060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40060 is about 200.1499437921. The cubic root of 40060 is about 34.2166101502.

Adding to 40060 its reverse (6004), we get a palindrome (46064).

The spelling of 40060 in words is "forty thousand, sixty", and thus it is an eban number.

Divisors: 1 2 4 5 10 20 2003 4006 8012 10015 20030 40060