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9886680 = 2332529947
BaseRepresentation
bin100101101101…
…101111011000
3200121021222100
4211231233120
510012333210
6551523400
7150015066
oct45555730
920537870
109886680
115643011
123389560
13208210b
141455036
15d045c0
hex96dbd8

9886680 has 96 divisors (see below), whose sum is σ = 33274800. Its totient is φ = 2542848.

The previous prime is 9886649. The next prime is 9886691. The reversal of 9886680 is 866889.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

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, 9967 + ... + 10913.

Almost surely, 29886680 is an apocalyptic number.

9886680 is a gapful number since it is divisible by the number (90) 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 9886680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16637400).

9886680 is an abundant number, since it is smaller than the sum of its proper divisors (23388120).

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

9886680 is a wasteful number, since it uses less digits than its factorization.

9886680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 9886680 is about 3144.3091451064. The cubic root of 9886680 is about 214.6265737056.

The spelling of 9886680 in words is "nine million, eight hundred eighty-six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 29 30 36 40 45 58 60 72 87 90 116 120 145 174 180 232 261 290 348 360 435 522 580 696 870 947 1044 1160 1305 1740 1894 2088 2610 2841 3480 3788 4735 5220 5682 7576 8523 9470 10440 11364 14205 17046 18940 22728 27463 28410 34092 37880 42615 54926 56820 68184 82389 85230 109852 113640 137315 164778 170460 219704 247167 274630 329556 340920 411945 494334 549260 659112 823890 988668 1098520 1235835 1647780 1977336 2471670 3295560 4943340 9886680