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109329289 = 1091935197
BaseRepresentation
bin1101000010000…
…11101110001001
321121201111120221
412201003232021
5210442014124
614503150041
72465166166
oct641035611
9247644527
10109329289
1156793793
1230745321
131985bcb4
141073d06d
1598e8ce4
hex6843b89

109329289 has 8 divisors (see below), whose sum is σ = 110925320. Its totient is φ = 107744256.

The previous prime is 109329271. The next prime is 109329293. The reversal of 109329289 is 982923901.

It can be written as a sum of positive squares in 4 ways, for example, as 11971600 + 97357689 = 3460^2 + 9867^2 .

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 109329289 - 25 = 109329257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109329229) 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, 18439 + ... + 23635.

It is an arithmetic number, because the mean of its divisors is an integer number (13865665).

Almost surely, 2109329289 is an apocalyptic number.

It is an amenable number.

109329289 is a deficient number, since it is larger than the sum of its proper divisors (1596031).

109329289 is a wasteful number, since it uses less digits than its factorization.

109329289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 109329289 is about 10456.0646994938. The cubic root of 109329289 is about 478.1661639357.

The spelling of 109329289 in words is "one hundred nine million, three hundred twenty-nine thousand, two hundred eighty-nine".

Divisors: 1 109 193 5197 21037 566473 1003021 109329289