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109744 = 24193
BaseRepresentation
bin11010110010110000
312120112121
4122302300
512002434
62204024
7634645
oct326260
9176477
10109744
11754a8
1253614
133ac4b
142bdcc
15227b4
hex1acb0

109744 has 20 divisors (see below), whose sum is σ = 224440. Its totient is φ = 51984.

The previous prime is 109741. The next prime is 109751. The reversal of 109744 is 447901.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not an unprimeable number, because it can be changed into a prime (109741) 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, 5767 + ... + 5785.

It is an arithmetic number, because the mean of its divisors is an integer number (11222).

2109744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112220).

109744 is an abundant number, since it is smaller than the sum of its proper divisors (114696).

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

109744 is an frugal number, since it uses more digits than its factorization.

109744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 109744 is about 331.2763197091. The cubic root of 109744 is about 47.8769998960.

The spelling of 109744 in words is "one hundred nine thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 5776 6859 13718 27436 54872 109744