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18330002 = 259163953
BaseRepresentation
bin100010111101…
…1000110010010
31021111021000222
41011323012102
514143030002
61452513042
7311542145
oct105730622
937437028
1018330002
11a38a669
12617b782
133a4a272
14261205c
1519211a2
hex117b192

18330002 has 16 divisors (see below), whose sum is σ = 28162080. Its totient is φ = 8944992.

The previous prime is 18329989. The next prime is 18330007. The reversal of 18330002 is 20003381.

It is not an unprimeable number, because it can be changed into a prime (18330007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18758 + ... + 19710.

It is an arithmetic number, because the mean of its divisors is an integer number (1760130).

Almost surely, 218330002 is an apocalyptic number.

18330002 is a deficient number, since it is larger than the sum of its proper divisors (9832078).

18330002 is a wasteful number, since it uses less digits than its factorization.

18330002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 18330002 is about 4281.3551592924. The cubic root of 18330002 is about 263.6660243428. Note that the first 3 decimals are identical.

Adding to 18330002 its reverse (20003381), we get a palindrome (38333383).

The spelling of 18330002 in words is "eighteen million, three hundred thirty thousand, two".

Divisors: 1 2 59 118 163 326 953 1906 9617 19234 56227 112454 155339 310678 9165001 18330002