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41988 = 2233499
BaseRepresentation
bin1010010000000100
32010121010
422100010
52320423
6522220
7233262
oct122004
963533
1041988
1129601
1220370
131615b
1411432
15c693
hexa404

41988 has 12 divisors (see below), whose sum is σ = 98000. Its totient is φ = 13992.

The previous prime is 41983. The next prime is 41999. The reversal of 41988 is 88914.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (41981) by changing a digit.

41988 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, 1738 + ... + 1761.

241988 is an apocalyptic number.

It is an amenable number.

41988 is an abundant number, since it is smaller than the sum of its proper divisors (56012).

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 (49000).

41988 is a wasteful number, since it uses less digits than its factorization.

41988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3504 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 41988 is about 204.9097362255. The cubic root of 41988 is about 34.7569556320.

The spelling of 41988 in words is "forty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 3499 6998 10497 13996 20994 41988