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108899438 = 2191328463
BaseRepresentation
bin1100111110110…
…10110001101110
321120220122221112
412133122301232
5210334240223
614450032022
72461426034
oct637326156
9246818845
10108899438
115651a83a
1230578612
131973b44b
141066a554
159861778
hex67dac6e

108899438 has 8 divisors (see below), whose sum is σ = 163440288. Its totient is φ = 54419344.

The previous prime is 108899389. The next prime is 108899447. The reversal of 108899438 is 834998801.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10406 + ... + 18057.

It is an arithmetic number, because the mean of its divisors is an integer number (20430036).

Almost surely, 2108899438 is an apocalyptic number.

108899438 is a deficient number, since it is larger than the sum of its proper divisors (54540850).

108899438 is a wasteful number, since it uses less digits than its factorization.

108899438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30378.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 108899438 is about 10435.4893512475. The cubic root of 108899438 is about 477.5386706984.

The spelling of 108899438 in words is "one hundred eight million, eight hundred ninety-nine thousand, four hundred thirty-eight".

Divisors: 1 2 1913 3826 28463 56926 54449719 108899438