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109768806 = 2327871181
BaseRepresentation
bin1101000101011…
…11000001100110
321122112211111100
412202233001212
5211100100211
614520420530
72502006450
oct642570146
9248484440
10109768806
1156a63a24
1230917746
1319984074
14108152d0
159984156
hex68af066

109768806 has 24 divisors (see below), whose sum is σ = 271808784. Its totient is φ = 31362480.

The previous prime is 109768793. The next prime is 109768807. The reversal of 109768806 is 608867901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109768807) 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 11 ways as a sum of consecutive naturals, for example, 435465 + ... + 435716.

It is an arithmetic number, because the mean of its divisors is an integer number (11325366).

Almost surely, 2109768806 is an apocalyptic number.

109768806 is an abundant number, since it is smaller than the sum of its proper divisors (162039978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109768806 is a wasteful number, since it uses less digits than its factorization.

109768806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871196 (or 871193 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 109768806 is about 10477.0609428408. The cubic root of 109768806 is about 478.8060691898.

The spelling of 109768806 in words is "one hundred nine million, seven hundred sixty-eight thousand, eight hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 871181 1742362 2613543 5227086 6098267 7840629 12196534 15681258 18294801 36589602 54884403 109768806