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18116076 = 22311711933
BaseRepresentation
bin100010100011…
…0110111101100
31021002101120210
41011012313230
514114203301
61444142420
7306661356
oct105066754
937071523
1018116076
11a253970
126097a10
1339a3a94
1425980d6
1518ccad6
hex1146dec

18116076 has 48 divisors (see below), whose sum is σ = 46787328. Its totient is φ = 5409600.

The previous prime is 18116071. The next prime is 18116081. The reversal of 18116076 is 67061181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18116071) and next prime (18116081).

It is not an unprimeable number, because it can be changed into a prime (18116071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8406 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (974736).

Almost surely, 218116076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18116076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23393664).

18116076 is an abundant number, since it is smaller than the sum of its proper divisors (28671252).

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

18116076 is a wasteful number, since it uses less digits than its factorization.

18116076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 18116076 is about 4256.2983917954. The cubic root of 18116076 is about 262.6362757261.

It can be divided in two parts, 1811 and 6076, that added together give a palindrome (7887).

The spelling of 18116076 in words is "eighteen million, one hundred sixteen thousand, seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 71 132 142 213 284 426 781 852 1562 1933 2343 3124 3866 4686 5799 7732 9372 11598 21263 23196 42526 63789 85052 127578 137243 255156 274486 411729 548972 823458 1509673 1646916 3019346 4529019 6038692 9058038 18116076