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18048116 = 2220172237
BaseRepresentation
bin100010011011…
…0010001110100
31020221221100202
41010312101310
514110014431
61442500032
7306256262
oct104662164
936857322
1018048116
11a2078a9
126064618
13397bb78
14257b432
1518b78cb
hex1136474

18048116 has 12 divisors (see below), whose sum is σ = 31613988. Its totient is φ = 9015552.

The previous prime is 18048113. The next prime is 18048133. The reversal of 18048116 is 61184081.

It can be written as a sum of positive squares in 2 ways, for example, as 14822500 + 3225616 = 3850^2 + 1796^2 .

It is a super-2 number, since 2×180481162 = 651468982298912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18048113) 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 in 3 ways as a sum of consecutive naturals, for example, 6950 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (2634499).

Almost surely, 218048116 is an apocalyptic number.

It is an amenable number.

18048116 is a deficient number, since it is larger than the sum of its proper divisors (13565872).

18048116 is a wasteful number, since it uses less digits than its factorization.

18048116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258 (or 4256 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 18048116 is about 4248.3074276705. The cubic root of 18048116 is about 262.3074494210.

The spelling of 18048116 in words is "eighteen million, forty-eight thousand, one hundred sixteen".

Divisors: 1 2 4 2017 2237 4034 4474 8068 8948 4512029 9024058 18048116