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40998 = 236833
BaseRepresentation
bin1010000000100110
32002020110
422000212
52302443
6513450
7230346
oct120046
962213
1040998
1128891
121b886
1315879
1410d26
15c233
hexa026

40998 has 8 divisors (see below), whose sum is σ = 82008. Its totient is φ = 13664.

The previous prime is 40993. The next prime is 41011. The reversal of 40998 is 89904.

It is a sphenic number, since it is the product of 3 distinct primes.

40998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40993) by changing a digit.

40998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3411 + ... + 3422.

It is an arithmetic number, because the mean of its divisors is an integer number (10251).

240998 is an apocalyptic number.

40998 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 (41004).

40998 is a wasteful number, since it uses less digits than its factorization.

40998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6838.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 40998 is about 202.4796286050. The cubic root of 40998 is about 34.4816117090.

The spelling of 40998 in words is "forty thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 6833 13666 20499 40998