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109816386 = 2318302731
BaseRepresentation
bin1101000101110…
…10101001000010
321122122020202120
412202322221002
5211103111021
614521425110
72502265251
oct642725102
9248566676
10109816386
1156a96749
123093b196
131999c914
1410828798
1599932c6
hex68baa42

109816386 has 8 divisors (see below), whose sum is σ = 219632784. Its totient is φ = 36605460.

The previous prime is 109816381. The next prime is 109816403. The reversal of 109816386 is 683618901.

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

109816386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (109816381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9151360 + ... + 9151371.

It is an arithmetic number, because the mean of its divisors is an integer number (27454098).

Almost surely, 2109816386 is an apocalyptic number.

109816386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

109816386 is a wasteful number, since it uses less digits than its factorization.

109816386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18302736.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 109816386 is about 10479.3313718004. The cubic root of 109816386 is about 478.8752397274.

The spelling of 109816386 in words is "one hundred nine million, eight hundred sixteen thousand, three hundred eighty-six".

Divisors: 1 2 3 6 18302731 36605462 54908193 109816386