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108330 = 23523157
BaseRepresentation
bin11010011100101010
312111121020
4122130222
511431310
62153310
7630555
oct323452
9174536
10108330
1174432
1252836
133a401
142b69c
1522170
hex1a72a

108330 has 32 divisors (see below), whose sum is σ = 273024. Its totient is φ = 27456.

The previous prime is 108301. The next prime is 108343. The reversal of 108330 is 33801.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (8532).

2108330 is an apocalyptic number.

108330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136512).

108330 is an abundant number, since it is smaller than the sum of its proper divisors (164694).

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

108330 is a wasteful number, since it uses less digits than its factorization.

108330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 108330 is about 329.1352305664. The cubic root of 108330 is about 47.6704861616.

Adding to 108330 its sum of digits (15), we get a triangular number (108345 = T465).

Subtracting from 108330 its reverse (33801), we obtain a square (74529 = 2732).

The spelling of 108330 in words is "one hundred eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 157 230 314 345 471 690 785 942 1570 2355 3611 4710 7222 10833 18055 21666 36110 54165 108330