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108933189 = 3361710039
BaseRepresentation
bin1100111111000…
…11000001000101
321120222101020120
412133203001011
5210341330224
614450452153
72461626321
oct637430105
9246871216
10108933189
1156543132
1230594059
1319750911
1410678981
15986b779
hex67e3045

108933189 has 8 divisors (see below), whose sum is σ = 145298880. Its totient is φ = 72594816.

The previous prime is 108933157. The next prime is 108933199. The reversal of 108933189 is 981339801.

It is a happy number.

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

It is not a de Polignac number, because 108933189 - 25 = 108933157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108933189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108933119) 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 7 ways as a sum of consecutive naturals, for example, 5832 + ... + 15870.

It is an arithmetic number, because the mean of its divisors is an integer number (18162360).

Almost surely, 2108933189 is an apocalyptic number.

It is an amenable number.

108933189 is a deficient number, since it is larger than the sum of its proper divisors (36365691).

108933189 is a wasteful number, since it uses less digits than its factorization.

108933189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 108933189 is about 10437.1063518583. The cubic root of 108933189 is about 477.5879998261.

The spelling of 108933189 in words is "one hundred eight million, nine hundred thirty-three thousand, one hundred eighty-nine".

Divisors: 1 3 3617 10039 10851 30117 36311063 108933189