Base | Representation |
---|---|
bin | 1001100110011… |
… | …11011010010010 |
3 | 12121112220221020 |
4 | 10303033122102 |
5 | 131104310310 |
6 | 11554140310 |
7 | 1665406242 |
oct | 463173222 |
9 | 177486836 |
10 | 80541330 |
11 | 41510991 |
12 | 22b81696 |
13 | 138bc8bc |
14 | a9a7b22 |
15 | 710e170 |
hex | 4ccf692 |
80541330 has 16 divisors (see below), whose sum is σ = 193299264. Its totient is φ = 21477680.
The previous prime is 80541281. The next prime is 80541337. The reversal of 80541330 is 3314508.
It is a self number, because there is not a number n which added to its sum of digits gives 80541330.
It is not an unprimeable number, because it can be changed into a prime (80541337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342326 + ... + 1342385.
It is an arithmetic number, because the mean of its divisors is an integer number (12081204).
Almost surely, 280541330 is an apocalyptic number.
80541330 is an abundant number, since it is smaller than the sum of its proper divisors (112757934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80541330 is a wasteful number, since it uses less digits than its factorization.
80541330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2684721.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 80541330 is about 8974.4821577626. The cubic root of 80541330 is about 431.8566375288.
Adding to 80541330 its reverse (3314508), we get a palindrome (83855838).
The spelling of 80541330 in words is "eighty million, five hundred forty-one thousand, three hundred thirty".
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