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11182020 = 2235227821
BaseRepresentation
bin101010101001…
…111111000100
3210001002211220
4222221333010
510330311040
61035400340
7164021433
oct52517704
923032756
1011182020
116348243
1238b30b0
1324168a5
1416b111a
15ead2d0
hexaa9fc4

11182020 has 48 divisors (see below), whose sum is σ = 31485888. Its totient is φ = 2965120.

The previous prime is 11182019. The next prime is 11182033. The reversal of 11182020 is 2028111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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, 13210 + ... + 14030.

It is an arithmetic number, because the mean of its divisors is an integer number (655956).

Almost surely, 211182020 is an apocalyptic number.

11182020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11182020 is an abundant number, since it is smaller than the sum of its proper divisors (20303868).

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

11182020 is a wasteful number, since it uses less digits than its factorization.

11182020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 11182020 is about 3343.9527508624. The cubic root of 11182020 is about 223.6179979390.

The spelling of 11182020 in words is "eleven million, one hundred eighty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 227 454 681 821 908 1135 1362 1642 2270 2463 2724 3284 3405 4105 4540 4926 6810 8210 9852 12315 13620 16420 24630 49260 186367 372734 559101 745468 931835 1118202 1863670 2236404 2795505 3727340 5591010 11182020