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108081841 = 731498073
BaseRepresentation
bin1100111000100…
…11001010110001
321112101010102011
412130103022301
5210132104331
614420322521
72451452260
oct634231261
9245333364
10108081841
115601153a
1230243441
131951326a
14104d65d7
15974e3b1
hex67132b1

108081841 has 8 divisors (see below), whose sum is σ = 127506944. Its totient is φ = 89652960.

The previous prime is 108081839. The next prime is 108081881. The reversal of 108081841 is 148180801.

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

It is a cyclic number.

It is not a de Polignac number, because 108081841 - 21 = 108081839 is a prime.

It is a super-3 number, since 3×1080818413 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108081821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248820 + ... + 249253.

It is an arithmetic number, because the mean of its divisors is an integer number (15938368).

Almost surely, 2108081841 is an apocalyptic number.

It is an amenable number.

108081841 is a deficient number, since it is larger than the sum of its proper divisors (19425103).

108081841 is an equidigital number, since it uses as much as digits as its factorization.

108081841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498111.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 108081841 is about 10396.2416766830. The cubic root of 108081841 is about 476.3405764122.

The spelling of 108081841 in words is "one hundred eight million, eighty-one thousand, eight hundred forty-one".

Divisors: 1 7 31 217 498073 3486511 15440263 108081841