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18093036 = 22313115981
BaseRepresentation
bin100010100000…
…1001111101100
31021001012222110
41011001033230
514112434121
61443444020
7306534243
oct105011754
937035873
1018093036
11a238625
126086610
133996450
14258d95a
1518c5d76
hex11413ec

18093036 has 24 divisors (see below), whose sum is σ = 45464944. Its totient is φ = 5567040.

The previous prime is 18093011. The next prime is 18093041. The reversal of 18093036 is 63039081.

It is a junction number, because it is equal to n+sod(n) for n = 18092994 and 18093012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57835 + ... + 58146.

Almost surely, 218093036 is an apocalyptic number.

It is an amenable number.

18093036 is an abundant number, since it is smaller than the sum of its proper divisors (27371908).

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

18093036 is a wasteful number, since it uses less digits than its factorization.

18093036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116001 (or 115999 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 18093036 is about 4253.5909535356. The cubic root of 18093036 is about 262.5248883431.

The spelling of 18093036 in words is "eighteen million, ninety-three thousand, thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 115981 231962 347943 463924 695886 1391772 1507753 3015506 4523259 6031012 9046518 18093036