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10680660 = 2234519347
BaseRepresentation
bin101000101111…
…100101010100
3202002122010000
4220233211110
510213240120
61020531300
7156532644
oct50574524
922078100
1010680660
1160355a1
1236b0b30
13229c623
1415c0524
15e0e990
hexa2f954

10680660 has 120 divisors (see below), whose sum is σ = 35370720. Its totient is φ = 2690496.

The previous prime is 10680653. The next prime is 10680661. The reversal of 10680660 is 6608601.

10680660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106806602 = 228152996071200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10680661) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30607 + ... + 30953.

It is an arithmetic number, because the mean of its divisors is an integer number (294756).

Almost surely, 210680660 is an apocalyptic number.

10680660 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 10680660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17685360).

10680660 is an abundant number, since it is smaller than the sum of its proper divisors (24690060).

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

10680660 is a wasteful number, since it uses less digits than its factorization.

10680660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10680660 is about 3268.1279044738. The cubic root of 10680660 is about 220.2247015478.

The spelling of 10680660 in words is "ten million, six hundred eighty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 45 54 57 60 76 81 90 95 108 114 135 162 171 180 190 228 270 285 324 342 347 380 405 513 540 570 684 694 810 855 1026 1041 1140 1388 1539 1620 1710 1735 2052 2082 2565 3078 3123 3420 3470 4164 5130 5205 6156 6246 6593 6940 7695 9369 10260 10410 12492 13186 15390 15615 18738 19779 20820 26372 28107 30780 31230 32965 37476 39558 46845 56214 59337 62460 65930 79116 93690 98895 112428 118674 131860 140535 178011 187380 197790 237348 281070 296685 356022 395580 534033 562140 593370 712044 890055 1068066 1186740 1780110 2136132 2670165 3560220 5340330 10680660