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108378 = 235223
BaseRepresentation
bin11010011101011010
312111200000
4122131122
511432003
62153430
7630654
oct323532
9174600
10108378
1174476
1252876
133a43a
142b6d4
15221a3
hex1a75a

108378 has 24 divisors (see below), whose sum is σ = 244608. Its totient is φ = 35964.

The previous prime is 108377. The next prime is 108379. The reversal of 108378 is 873801.

It is an interprime number because it is at equal distance from previous prime (108377) and next prime (108379).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375 + ... + 597.

It is an arithmetic number, because the mean of its divisors is an integer number (10192).

2108378 is an apocalyptic number.

108378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122304).

108378 is an abundant number, since it is smaller than the sum of its proper divisors (136230).

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

108378 is an equidigital number, since it uses as much as digits as its factorization.

108378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 108378 is about 329.2081408471. The cubic root of 108378 is about 47.6775259027.

The spelling of 108378 in words is "one hundred eight thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 223 243 446 486 669 1338 2007 4014 6021 12042 18063 36126 54189 108378