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41240 = 2351031
BaseRepresentation
bin1010000100011000
32002120102
422010120
52304430
6514532
7231143
oct120430
962512
1041240
1128a91
121ba48
1315a04
141105a
15c345
hexa118

41240 has 16 divisors (see below), whose sum is σ = 92880. Its totient is φ = 16480.

The previous prime is 41233. The next prime is 41243. The reversal of 41240 is 4214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 555.

It is an arithmetic number, because the mean of its divisors is an integer number (5805).

241240 is an apocalyptic number.

41240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41240 is an abundant number, since it is smaller than the sum of its proper divisors (51640).

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 (46440).

41240 is a wasteful number, since it uses less digits than its factorization.

41240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1038 counting only the distinct ones).

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

The square root of 41240 is about 203.0763403255. The cubic root of 41240 is about 34.5493238342.

Adding to 41240 its reverse (4214), we get a palindrome (45454).

The spelling of 41240 in words is "forty-one thousand, two hundred forty", and thus it is an iban number.

Divisors: 1 2 4 5 8 10 20 40 1031 2062 4124 5155 8248 10310 20620 41240