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41980 = 2252099
BaseRepresentation
bin1010001111111100
32010120211
422033330
52320410
6522204
7233251
oct121774
963524
1041980
11295a4
1220364
1316153
1411428
15c68a
hexa3fc

41980 has 12 divisors (see below), whose sum is σ = 88200. Its totient is φ = 16784.

The previous prime is 41969. The next prime is 41981. The reversal of 41980 is 8914.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 41980.

It is not an unprimeable number, because it can be changed into a prime (41981) 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, 1030 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (7350).

241980 is an apocalyptic number.

It is an amenable number.

41980 is an abundant number, since it is smaller than the sum of its proper divisors (46220).

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 (44100).

41980 is a wasteful number, since it uses less digits than its factorization.

41980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 41980 is about 204.8902145052. The cubic root of 41980 is about 34.7547480702.

The spelling of 41980 in words is "forty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2099 4198 8396 10495 20990 41980