Base | Representation |
---|---|
bin | 111010100010110… |
… | …000100001100101 |
3 | 2112110011102122010 |
4 | 322202300201211 |
5 | 4002420041211 |
6 | 241243424433 |
7 | 33224323140 |
oct | 7242604145 |
9 | 2473142563 |
10 | 982190181 |
11 | 46446a025 |
12 | 234b25119 |
13 | 12864292b |
14 | 94633057 |
15 | 5b3644a6 |
hex | 3a8b0865 |
982190181 has 32 divisors (see below), whose sum is σ = 1600155648. Its totient is φ = 523088640.
The previous prime is 982190159. The next prime is 982190227. The reversal of 982190181 is 181091289.
It is not a de Polignac number, because 982190181 - 213 = 982181989 is a prime.
It is a super-2 number, since 2×9821901812 = 1929395103305625522, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (982190141) 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 31 ways as a sum of consecutive naturals, for example, 23416 + ... + 50126.
It is an arithmetic number, because the mean of its divisors is an integer number (50004864).
Almost surely, 2982190181 is an apocalyptic number.
It is an amenable number.
982190181 is a deficient number, since it is larger than the sum of its proper divisors (617965467).
982190181 is a wasteful number, since it uses less digits than its factorization.
982190181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26841.
The product of its (nonzero) digits is 10368, while the sum is 39.
The square root of 982190181 is about 31339.9135448712. The cubic root of 982190181 is about 994.0277974675.
The spelling of 982190181 in words is "nine hundred eighty-two million, one hundred ninety thousand, one hundred eighty-one".
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