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18064804 = 224516201
BaseRepresentation
bin100010011101…
…0010110100100
31020222210020211
41010322112210
514111033204
61443105204
7306356032
oct104722644
936883224
1018064804
11a21939a
126072204
133986644
142583552
1518bc804
hex113a5a4

18064804 has 6 divisors (see below), whose sum is σ = 31613414. Its totient is φ = 9032400.

The previous prime is 18064793. The next prime is 18064807. The reversal of 18064804 is 40846081.

It can be written as a sum of positive squares in only one way, i.e., 18062500 + 2304 = 4250^2 + 48^2 .

It is not an unprimeable number, because it can be changed into a prime (18064807) by changing a digit.

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 as a sum of consecutive naturals, namely, 2258097 + ... + 2258104.

Almost surely, 218064804 is an apocalyptic number.

It is an amenable number.

18064804 is a deficient number, since it is larger than the sum of its proper divisors (13548610).

18064804 is a wasteful number, since it uses less digits than its factorization.

18064804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516205 (or 4516203 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 18064804 is about 4250.2710501802. The cubic root of 18064804 is about 262.3882711208.

The spelling of 18064804 in words is "eighteen million, sixty-four thousand, eight hundred four".

Divisors: 1 2 4 4516201 9032402 18064804