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11286018 = 232718831
BaseRepresentation
bin101011000011…
…011000000010
3210020101111200
4223003120002
510342123033
61041522030
7164633562
oct53033002
923211450
1011286018
116409397
123943316
132452023
1416dada2
15ece013
hexac3602

11286018 has 24 divisors (see below), whose sum is σ = 24800256. Its totient is φ = 3708600.

The previous prime is 11286013. The next prime is 11286059. The reversal of 11286018 is 81068211.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11285982 and 11286000.

It is not an unprimeable number, because it can be changed into a prime (11286013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3138 + ... + 5693.

It is an arithmetic number, because the mean of its divisors is an integer number (1033344).

Almost surely, 211286018 is an apocalyptic number.

11286018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11286018 is an abundant number, since it is smaller than the sum of its proper divisors (13514238).

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

11286018 is a wasteful number, since it uses less digits than its factorization.

11286018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8910 (or 8907 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 11286018 is about 3359.4669219982. The cubic root of 11286018 is about 224.3091103409.

The spelling of 11286018 in words is "eleven million, two hundred eighty-six thousand, eighteen".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 8831 17662 26493 52986 79479 158958 627001 1254002 1881003 3762006 5643009 11286018