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18068824 = 2317132859
BaseRepresentation
bin100010011101…
…1010101011000
31020222222202201
41010323111120
514111200244
61443135544
7306403534
oct104732530
936888681
1018068824
11a221414
1260745b4
133988417
142584bc4
1518bdad4
hex113b558

18068824 has 16 divisors (see below), whose sum is σ = 35872200. Its totient is φ = 8502912.

The previous prime is 18068819. The next prime is 18068837. The reversal of 18068824 is 42886081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66294 + ... + 66565.

Almost surely, 218068824 is an apocalyptic number.

It is an amenable number.

18068824 is a deficient number, since it is larger than the sum of its proper divisors (17803376).

18068824 is a wasteful number, since it uses less digits than its factorization.

18068824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132882 (or 132878 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 18068824 is about 4250.7439348895. The cubic root of 18068824 is about 262.4077329542.

The spelling of 18068824 in words is "eighteen million, sixty-eight thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 136 132859 265718 531436 1062872 2258603 4517206 9034412 18068824