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11308128 = 2531321741
BaseRepresentation
bin101011001000…
…110001100000
3210021111211120
4223020301200
510343330003
61042212240
7165055206
oct53106140
923244746
1011308128
116423a67
123954080
13245c100
141705076
15ed5853
hexac8c60

11308128 has 144 divisors (see below), whose sum is σ = 34863696. Its totient is φ = 3194880.

The previous prime is 11308109. The next prime is 11308159. The reversal of 11308128 is 82180311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11308098 and 11308107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275788 + ... + 275828.

It is an arithmetic number, because the mean of its divisors is an integer number (242109).

Almost surely, 211308128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11308128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17431848).

11308128 is an abundant number, since it is smaller than the sum of its proper divisors (23555568).

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

11308128 is a wasteful number, since it uses less digits than its factorization.

11308128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 11308128 is about 3362.7560125587. The cubic root of 11308128 is about 224.4554932167.

Adding to 11308128 its reverse (82180311), we get a palindrome (93488439).

The spelling of 11308128 in words is "eleven million, three hundred eight thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 41 48 51 52 68 78 82 96 102 104 123 136 156 164 169 204 208 221 246 272 312 328 338 408 416 442 492 507 533 544 624 656 663 676 697 816 884 984 1014 1066 1248 1312 1326 1352 1394 1599 1632 1768 1968 2028 2091 2132 2652 2704 2788 2873 3198 3536 3936 4056 4182 4264 5304 5408 5576 5746 6396 6929 7072 8112 8364 8528 8619 9061 10608 11152 11492 12792 13858 16224 16728 17056 17238 18122 20787 21216 22304 22984 25584 27183 27716 33456 34476 36244 41574 45968 51168 54366 55432 66912 68952 72488 83148 91936 108732 110864 117793 137904 144976 166296 217464 221728 235586 275808 289952 332592 353379 434928 471172 665184 706758 869856 942344 1413516 1884688 2827032 3769376 5654064 11308128