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18482022 = 23213194157
BaseRepresentation
bin100011010000…
…0001101100110
31021202222120100
41012200031212
514212411042
61500044530
7313044306
oct106401546
937688510
1018482022
11a4838a9
126233746
133aa1510
142651606
15195124c
hex11a0366

18482022 has 48 divisors (see below), whose sum is σ = 45405360. Its totient is φ = 5386176.

The previous prime is 18481999. The next prime is 18482033. The reversal of 18482022 is 22028481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2368 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (945945).

Almost surely, 218482022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18482022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22702680).

18482022 is an abundant number, since it is smaller than the sum of its proper divisors (26923338).

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

18482022 is a wasteful number, since it uses less digits than its factorization.

18482022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197 (or 4194 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 18482022 is about 4299.0722254924. The cubic root of 18482022 is about 264.3929238556.

The spelling of 18482022 in words is "eighteen million, four hundred eighty-two thousand, twenty-two".

Divisors: 1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 171 234 247 342 494 741 1482 2223 4157 4446 8314 12471 24942 37413 54041 74826 78983 108082 157966 162123 236949 324246 473898 486369 710847 972738 1026779 1421694 2053558 3080337 6160674 9241011 18482022