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122304 = 2637213
BaseRepresentation
bin11101110111000000
320012202210
4131313000
512403204
62342120
71016400
oct356700
9205683
10122304
1183986
125a940
1343890
1432800
1526389
hex1ddc0

122304 has 84 divisors (see below), whose sum is σ = 405384. Its totient is φ = 32256.

The previous prime is 122299. The next prime is 122321. The reversal of 122304 is 403221.

122304 = T27 + T28 + ... + T90.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122304.

It is a congruent number.

It is an unprimeable number.

122304 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 11 ways as a sum of consecutive naturals, for example, 9402 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (4826).

2122304 is an apocalyptic number.

122304 is a gapful number since it is divisible by the number (14) 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 122304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202692).

122304 is an abundant number, since it is smaller than the sum of its proper divisors (283080).

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

122304 is a wasteful number, since it uses less digits than its factorization.

122304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 122304 is about 349.7198879103. The cubic root of 122304 is about 49.6379175893.

Adding to 122304 its reverse (403221), we get a palindrome (525525).

The spelling of 122304 in words is "one hundred twenty-two thousand, three hundred four", and thus it is an iban number.

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 64 78 84 91 96 98 104 112 147 156 168 182 192 196 208 224 273 294 312 336 364 392 416 448 546 588 624 637 672 728 784 832 1092 1176 1248 1274 1344 1456 1568 1911 2184 2352 2496 2548 2912 3136 3822 4368 4704 5096 5824 7644 8736 9408 10192 15288 17472 20384 30576 40768 61152 122304