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108089889 = 336029963
BaseRepresentation
bin1100111000101…
…01001000100001
321112101112110020
412130111020201
5210132334024
614420424053
72451514605
oct634251041
9245345406
10108089889
1156017596
1230248029
1319516b1b
14104d9505
159751979
hex6715221

108089889 has 4 divisors (see below), whose sum is σ = 144119856. Its totient is φ = 72059924.

The previous prime is 108089851. The next prime is 108089923. The reversal of 108089889 is 988980801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 988980801 = 3329660267.

It is a cyclic number.

It is not a de Polignac number, because 108089889 - 215 = 108057121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108089809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18014979 + ... + 18014984.

It is an arithmetic number, because the mean of its divisors is an integer number (36029964).

Almost surely, 2108089889 is an apocalyptic number.

It is an amenable number.

108089889 is a deficient number, since it is larger than the sum of its proper divisors (36029967).

108089889 is an equidigital number, since it uses as much as digits as its factorization.

108089889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36029966.

The product of its (nonzero) digits is 331776, while the sum is 51.

The square root of 108089889 is about 10396.6287324305. The cubic root of 108089889 is about 476.3523992240.

The spelling of 108089889 in words is "one hundred eight million, eighty-nine thousand, eight hundred eighty-nine".

Divisors: 1 3 36029963 108089889