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18768066 = 233128011
BaseRepresentation
bin100011110011…
…0000011000010
31022022111221120
41013212003002
514301034231
61510133110
7315345252
oct107460302
938274846
1018768066
11a6597a9
126351196
133b71785
1426c7962
1519aad96
hex11e60c2

18768066 has 8 divisors (see below), whose sum is σ = 37536144. Its totient is φ = 6256020.

The previous prime is 18768049. The next prime is 18768073. The reversal of 18768066 is 66086781.

It is a sphenic number, since it is the product of 3 distinct primes.

18768066 is an admirable 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, 1564000 + ... + 1564011.

It is an arithmetic number, because the mean of its divisors is an integer number (4692018).

Almost surely, 218768066 is an apocalyptic number.

18768066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18768066 is a wasteful number, since it uses less digits than its factorization.

18768066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128016.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 18768066 is about 4332.2125986613. The cubic root of 18768066 is about 265.7499393051.

The spelling of 18768066 in words is "eighteen million, seven hundred sixty-eight thousand, sixty-six".

Divisors: 1 2 3 6 3128011 6256022 9384033 18768066