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18300424 = 2310721379
BaseRepresentation
bin100010111001…
…1111000001000
31021102202110111
41011303320020
514141103144
61452124104
7311360002
oct105637010
937382414
1018300424
11a36a41a
126166634
133a3996c
142605372
151917534
hex1173e08

18300424 has 16 divisors (see below), whose sum is σ = 34635600. Its totient is φ = 9064272.

The previous prime is 18300419. The next prime is 18300461. The reversal of 18300424 is 42400381.

It is a junction number, because it is equal to n+sod(n) for n = 18300395 and 18300404.

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 3 ways as a sum of consecutive naturals, for example, 9834 + ... + 11545.

It is an arithmetic number, because the mean of its divisors is an integer number (2164725).

Almost surely, 218300424 is an apocalyptic number.

It is an amenable number.

18300424 is a deficient number, since it is larger than the sum of its proper divisors (16335176).

18300424 is a wasteful number, since it uses less digits than its factorization.

18300424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21492 (or 21488 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 18300424 is about 4277.8994845602. The cubic root of 18300424 is about 263.5241274279.

The spelling of 18300424 in words is "eighteen million, three hundred thousand, four hundred twenty-four".

Divisors: 1 2 4 8 107 214 428 856 21379 42758 85516 171032 2287553 4575106 9150212 18300424