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12648528 = 2433192367
BaseRepresentation
bin110000010000…
…000001010000
3212210121112000
4300100001100
511214223103
61131034000
7212340114
oct60200120
925717460
1012648528
11715a032
12429b900
13280b249
141973744
15119caa3
hexc10050

12648528 has 160 divisors (see below), whose sum is σ = 40473600. Its totient is φ = 3763584.

The previous prime is 12648523. The next prime is 12648529. The reversal of 12648528 is 82584621.

12648528 is a `hidden beast` number, since 1 + 2 + 648 + 5 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12648492 and 12648501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188751 + ... + 188817.

It is an arithmetic number, because the mean of its divisors is an integer number (252960).

Almost surely, 212648528 is an apocalyptic number.

12648528 is a gapful number since it is divisible by the number (18) 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 12648528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20236800).

12648528 is an abundant number, since it is smaller than the sum of its proper divisors (27825072).

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

12648528 is a wasteful number, since it uses less digits than its factorization.

12648528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 114 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 12648528 is about 3556.4769084025. The cubic root of 12648528 is about 232.9950326509.

The spelling of 12648528 in words is "twelve million, six hundred forty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 23 24 27 36 38 46 48 54 57 67 69 72 76 92 108 114 134 138 144 152 171 184 201 207 216 228 268 276 304 342 368 402 414 432 437 456 513 536 552 603 621 684 804 828 874 912 1026 1072 1104 1206 1242 1273 1311 1368 1541 1608 1656 1748 1809 2052 2412 2484 2546 2622 2736 3082 3216 3312 3496 3618 3819 3933 4104 4623 4824 4968 5092 5244 6164 6992 7236 7638 7866 8208 9246 9648 9936 10184 10488 11457 11799 12328 13869 14472 15276 15732 18492 20368 20976 22914 23598 24656 27738 28944 29279 30552 31464 34371 36984 41607 45828 47196 55476 58558 61104 62928 68742 73968 83214 87837 91656 94392 110952 117116 137484 166428 175674 183312 188784 221904 234232 263511 274968 332856 351348 468464 527022 549936 665712 702696 790533 1054044 1405392 1581066 2108088 3162132 4216176 6324264 12648528