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18248166 = 234112643
BaseRepresentation
bin100010110011…
…1000111100110
31021100002210000
41011213013212
514132420131
61451042130
7311051436
oct105470746
937302700
1018248166
11a334132
126140346
133a1bc41
1425d02c6
151906ce6
hex11671e6

18248166 has 20 divisors (see below), whose sum is σ = 40889772. Its totient is φ = 6082668.

The previous prime is 18248161. The next prime is 18248171. The reversal of 18248166 is 66184281.

It is an interprime number because it is at equal distance from previous prime (18248161) and next prime (18248171).

It is a self number, because there is not a number n which added to its sum of digits gives 18248166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18248161) 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 9 ways as a sum of consecutive naturals, for example, 56160 + ... + 56483.

Almost surely, 218248166 is an apocalyptic number.

18248166 is an abundant number, since it is smaller than the sum of its proper divisors (22641606).

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

18248166 is a wasteful number, since it uses less digits than its factorization.

18248166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112657 (or 112648 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 18248166 is about 4271.7872138017. The cubic root of 18248166 is about 263.2730517715.

The spelling of 18248166 in words is "eighteen million, two hundred forty-eight thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 112643 225286 337929 675858 1013787 2027574 3041361 6082722 9124083 18248166