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104238 = 2325791
BaseRepresentation
bin11001011100101110
312021222200
4121130232
511313423
62122330
7612621
oct313456
9167880
10104238
1171352
12503a6
13385a4
1429db8
1520d43
hex1972e

104238 has 12 divisors (see below), whose sum is σ = 225888. Its totient is φ = 34740.

The previous prime is 104233. The next prime is 104239. The reversal of 104238 is 832401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5791 = 104238 / (1 + 0 + 4 + 2 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 104238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104231) by changing a digit.

104238 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 5 ways as a sum of consecutive naturals, for example, 2878 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (18824).

2104238 is an apocalyptic number.

104238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

104238 is an abundant number, since it is smaller than the sum of its proper divisors (121650).

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

104238 is a wasteful number, since it uses less digits than its factorization.

104238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104238 is about 322.8591023961. The cubic root of 104238 is about 47.0625393512.

Adding to 104238 its reverse (832401), we get a palindrome (936639).

The spelling of 104238 in words is "one hundred four thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 5791 11582 17373 34746 52119 104238