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108108093 = 3142725253
BaseRepresentation
bin1100111000110…
…01100100111101
321112102110102110
412130121210331
5210133424333
614421044233
72451621642
oct634314475
9245373373
10108108093
115602a235
1230256679
13195221b2
1410501dc9
159757063
hex671993d

108108093 has 8 divisors (see below), whose sum is σ = 144250848. Its totient is φ = 72018704.

The previous prime is 108108061. The next prime is 108108097. The reversal of 108108093 is 390801801.

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 108108093 - 25 = 108108061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108108093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108108097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8346 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (18031356).

Almost surely, 2108108093 is an apocalyptic number.

It is an amenable number.

108108093 is a deficient number, since it is larger than the sum of its proper divisors (36142755).

108108093 is a wasteful number, since it uses less digits than its factorization.

108108093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26683.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 108108093 is about 10397.5041716750. The cubic root of 108108093 is about 476.3791394134.

Adding to 108108093 its reverse (390801801), we get a palindrome (498909894).

The spelling of 108108093 in words is "one hundred eight million, one hundred eight thousand, ninety-three".

Divisors: 1 3 1427 4281 25253 75759 36036031 108108093