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109146 = 2318191
BaseRepresentation
bin11010101001011010
312112201110
4122221122
511443041
62201150
7633132
oct325132
9175643
10109146
1175004
12531b6
133a8ab
142bac2
1522516
hex1aa5a

109146 has 8 divisors (see below), whose sum is σ = 218304. Its totient is φ = 36380.

The previous prime is 109141. The next prime is 109147. The reversal of 109146 is 641901.

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

109146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (109141) by changing a digit.

109146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9090 + ... + 9101.

It is an arithmetic number, because the mean of its divisors is an integer number (27288).

2109146 is an apocalyptic number.

109146 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.

109146 is a wasteful number, since it uses less digits than its factorization.

109146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 109146 is about 330.3725170168. The cubic root of 109146 is about 47.7898801543.

The spelling of 109146 in words is "one hundred nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 18191 36382 54573 109146