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1108380 = 2235721329
BaseRepresentation
bin100001110100110011100
32002022102010
410032212130
5240432010
635431220
712264300
oct4164634
92068363
101108380
11697819
12455510
132ca660
1420bd00
1516d620
hex10e99c

1108380 has 144 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 225792.

The previous prime is 1108369. The next prime is 1108397. The reversal of 1108380 is 838011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38206 + ... + 38234.

It is an arithmetic number, because the mean of its divisors is an integer number (27930).

21108380 is an apocalyptic number.

1108380 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 1108380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2010960).

1108380 is an abundant number, since it is smaller than the sum of its proper divisors (2913540).

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

1108380 is a wasteful number, since it uses less digits than its factorization.

1108380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1108380 is about 1052.7962765892. The cubic root of 1108380 is about 103.4894852676.

The spelling of 1108380 in words is "one million, one hundred eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 29 30 35 39 42 49 52 58 60 65 70 78 84 87 91 98 105 116 130 140 145 147 156 174 182 195 196 203 210 245 260 273 290 294 348 364 377 390 406 420 435 455 490 546 580 588 609 637 735 754 780 812 870 910 980 1015 1092 1131 1218 1274 1365 1421 1470 1508 1740 1820 1885 1911 2030 2262 2436 2548 2639 2730 2842 2940 3045 3185 3770 3822 4060 4263 4524 5278 5460 5655 5684 6090 6370 7105 7540 7644 7917 8526 9555 10556 11310 12180 12740 13195 14210 15834 17052 18473 19110 21315 22620 26390 28420 31668 36946 38220 39585 42630 52780 55419 73892 79170 85260 92365 110838 158340 184730 221676 277095 369460 554190 1108380