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9986020 = 22511192389
BaseRepresentation
bin100110000101…
…111111100100
3200210100020121
4212011333210
510024023040
6554011324
7150610522
oct46057744
920710217
109986020
115700710
123416b44
1320b83b5
14147d312
15d23c4a
hex985fe4

9986020 has 48 divisors (see below), whose sum is σ = 24091200. Its totient is φ = 3438720.

The previous prime is 9985993. The next prime is 9986023. The reversal of 9986020 is 206899.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9986023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2986 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (501900).

Almost surely, 29986020 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 9986020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12045600).

9986020 is an abundant number, since it is smaller than the sum of its proper divisors (14105180).

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

9986020 is a wasteful number, since it uses less digits than its factorization.

9986020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 9986020 is about 3160.0664549974. The cubic root of 9986020 is about 215.3430255254.

The spelling of 9986020 in words is "nine million, nine hundred eighty-six thousand, twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 2389 4180 4778 9556 11945 23890 26279 45391 47780 52558 90782 105116 131395 181564 226955 262790 453910 499301 525580 907820 998602 1997204 2496505 4993010 9986020