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BaseRepresentation
bin1001110010111100
32001001002
421302330
52240444
6505432
7224660
oct116274
961032
1040124
1128167
121b278
1315356
14108a0
15bd4e
hex9cbc

40124 has 12 divisors (see below), whose sum is σ = 80304. Its totient is φ = 17184.

The previous prime is 40123. The next prime is 40127. The reversal of 40124 is 42104.

40124 = T21 + T22 + ... + T62.

40124 is nontrivially palindromic in base 3.

40124 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40123) 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, 689 + ... + 744.

It is an arithmetic number, because the mean of its divisors is an integer number (6692).

240124 is an apocalyptic number.

It is an amenable number.

40124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (40152).

40124 is a wasteful number, since it uses less digits than its factorization.

40124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40124 is about 200.3097601217. The cubic root of 40124 is about 34.2348219817.

Adding to 40124 its reverse (42104), we get a palindrome (82228).

The spelling of 40124 in words is "forty thousand, one hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 7 14 28 1433 2866 5732 10031 20062 40124