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104220 = 22335193
BaseRepresentation
bin11001011100011100
312021222000
4121130130
511313340
62122300
7612564
oct313434
9167860
10104220
1171336
1250390
133858c
1429da4
1520d30
hex1971c

104220 has 48 divisors (see below), whose sum is σ = 325920. Its totient is φ = 27648.

The previous prime is 104207. The next prime is 104231. The reversal of 104220 is 22401.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

104220 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 15 ways as a sum of consecutive naturals, for example, 444 + ... + 636.

It is an arithmetic number, because the mean of its divisors is an integer number (6790).

2104220 is an apocalyptic number.

104220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162960).

104220 is an abundant number, since it is smaller than the sum of its proper divisors (221700).

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

104220 is a wasteful number, since it uses less digits than its factorization.

104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 104220 is about 322.8312252556. The cubic root of 104220 is about 47.0598302481.

Adding to 104220 its reverse (22401), we get a palindrome (126621).

It can be divided in two parts, 104 and 220, that added together give a square (324 = 182).

The spelling of 104220 in words is "one hundred four thousand, two hundred twenty", and thus it is an iban number.

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 193 270 386 540 579 772 965 1158 1737 1930 2316 2895 3474 3860 5211 5790 6948 8685 10422 11580 17370 20844 26055 34740 52110 104220