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108243709 = 717909611
BaseRepresentation
bin1100111001110…
…10101011111101
321112200100110021
412130322223331
5210202244314
614424012141
72453025220
oct634725375
9245610407
10108243709
1156112112
1230301051
131956bb42
14105395b7
159782324
hex673aafd

108243709 has 8 divisors (see below), whose sum is σ = 130984128. Its totient is φ = 87322560.

The previous prime is 108243697. The next prime is 108243719. The reversal of 108243709 is 907342801.

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 108243709 - 25 = 108243677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108243719) 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, 454687 + ... + 454924.

It is an arithmetic number, because the mean of its divisors is an integer number (16373016).

Almost surely, 2108243709 is an apocalyptic number.

It is an amenable number.

108243709 is a deficient number, since it is larger than the sum of its proper divisors (22740419).

108243709 is an equidigital number, since it uses as much as digits as its factorization.

108243709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909635.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 108243709 is about 10404.0236927835. The cubic root of 108243709 is about 476.5782538245.

The spelling of 108243709 in words is "one hundred eight million, two hundred forty-three thousand, seven hundred nine".

Divisors: 1 7 17 119 909611 6367277 15463387 108243709