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42098 = 273197
BaseRepresentation
bin1010010001110010
32010202012
422101302
52321343
6522522
7233510
oct122162
963665
1042098
11296a1
1220442
1316214
14114b0
15c718
hexa472

42098 has 16 divisors (see below), whose sum is σ = 75264. Its totient is φ = 17280.

The previous prime is 42089. The next prime is 42101. The reversal of 42098 is 89024.

It is an unprimeable number.

42098 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 482.

It is an arithmetic number, because the mean of its divisors is an integer number (4704).

242098 is an apocalyptic number.

42098 is a deficient number, since it is larger than the sum of its proper divisors (33166).

42098 is a wasteful number, since it uses less digits than its factorization.

42098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 42098 is about 205.1779715272. The cubic root of 42098 is about 34.7872812111.

The spelling of 42098 in words is "forty-two thousand, ninety-eight".

Divisors: 1 2 7 14 31 62 97 194 217 434 679 1358 3007 6014 21049 42098