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108989365 = 573298601
BaseRepresentation
bin1100111111100…
…00101110110101
321121002020022011
412133300232311
5210400124430
614452004221
72462252152
oct637605665
9247066264
10108989365
1156581361
1230600671
1319770364
1410691229
15987d22a
hex67f0bb5

108989365 has 8 divisors (see below), whose sum is σ = 132579288. Its totient is φ = 85996800.

The previous prime is 108989333. The next prime is 108989389. The reversal of 108989365 is 563989801.

It can be written as a sum of positive squares in 4 ways, for example, as 21548164 + 87441201 = 4642^2 + 9351^2 .

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

It is not a de Polignac number, because 108989365 - 25 = 108989333 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 148936 + ... + 149665.

It is an arithmetic number, because the mean of its divisors is an integer number (16572411).

Almost surely, 2108989365 is an apocalyptic number.

It is an amenable number.

108989365 is a deficient number, since it is larger than the sum of its proper divisors (23589923).

108989365 is an equidigital number, since it uses as much as digits as its factorization.

108989365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298679.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 108989365 is about 10439.7971723592. The cubic root of 108989365 is about 477.6700818595.

The spelling of 108989365 in words is "one hundred eight million, nine hundred eighty-nine thousand, three hundred sixty-five".

Divisors: 1 5 73 365 298601 1493005 21797873 108989365