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108103859 = 499216641
BaseRepresentation
bin1100111000110…
…00100010110011
321112102020121122
412130120202303
5210133310414
614421012455
72451603413
oct634304263
9245366548
10108103859
1156027036
123025412b
13195202a6
1410500643
159755b8e
hex67188b3

108103859 has 4 divisors (see below), whose sum is σ = 108321000. Its totient is φ = 107886720.

The previous prime is 108103843. The next prime is 108103861. The reversal of 108103859 is 958301801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108103859 - 24 = 108103843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108103829) 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 3 ways as a sum of consecutive naturals, for example, 107822 + ... + 108819.

It is an arithmetic number, because the mean of its divisors is an integer number (27080250).

Almost surely, 2108103859 is an apocalyptic number.

108103859 is a deficient number, since it is larger than the sum of its proper divisors (217141).

108103859 is an equidigital number, since it uses as much as digits as its factorization.

108103859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217140.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 108103859 is about 10397.3005631270. The cubic root of 108103859 is about 476.3729202811.

The spelling of 108103859 in words is "one hundred eight million, one hundred three thousand, eight hundred fifty-nine".

Divisors: 1 499 216641 108103859