Base | Representation |
---|---|
bin | 10101101100101… |
… | …10110001000110 |
3 | 110200111122010120 |
4 | 22312112301012 |
5 | 333044134230 |
6 | 30021202410 |
7 | 4340104011 |
oct | 1266266106 |
9 | 420448116 |
10 | 182021190 |
11 | 9382323a |
12 | 50b60406 |
13 | 2b930b60 |
14 | 1a262378 |
15 | 10ea7310 |
hex | ad96c46 |
182021190 has 64 divisors (see below), whose sum is σ = 475215552. Its totient is φ = 44352000.
The previous prime is 182021183. The next prime is 182021207. The reversal of 182021190 is 91120281.
182021190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1820211902 = 66263427218032200, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 182021190.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37080 + ... + 41700.
It is an arithmetic number, because the mean of its divisors is an integer number (7425243).
Almost surely, 2182021190 is an apocalyptic number.
182021190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 182021190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237607776).
182021190 is an abundant number, since it is smaller than the sum of its proper divisors (293194362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
182021190 is a wasteful number, since it uses less digits than its factorization.
182021190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4745.
The product of its (nonzero) digits is 288, while the sum is 24.
The square root of 182021190 is about 13491.5228940250. The cubic root of 182021190 is about 566.7271035117.
Subtracting from 182021190 its reverse (91120281), we obtain a palindrome (90900909).
The spelling of 182021190 in words is "one hundred eighty-two million, twenty-one thousand, one hundred ninety".
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