Base | Representation |
---|---|
bin | 1001100100001… |
… | …00000101001100 |
3 | 12120222020200110 |
4 | 10302010011030 |
5 | 131014422110 |
6 | 11543400020 |
7 | 1662652545 |
oct | 462040514 |
9 | 176866613 |
10 | 80232780 |
11 | 41320091 |
12 | 22a53010 |
13 | 13812324 |
14 | a9274cc |
15 | 709ca20 |
hex | 4c8414c |
80232780 has 48 divisors (see below), whose sum is σ = 227372544. Its totient is φ = 21136320.
The previous prime is 80232727. The next prime is 80232791. The reversal of 80232780 is 8723208.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3076 + ... + 13035.
It is an arithmetic number, because the mean of its divisors is an integer number (4736928).
Almost surely, 280232780 is an apocalyptic number.
It is an amenable number.
80232780 is an abundant number, since it is smaller than the sum of its proper divisors (147139764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80232780 is a wasteful number, since it uses less digits than its factorization.
80232780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16206 (or 16204 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 80232780 is about 8957.2752553441. The cubic root of 80232780 is about 431.3044577311.
Adding to 80232780 its reverse (8723208), we get a palindrome (88955988).
The spelling of 80232780 in words is "eighty million, two hundred thirty-two thousand, seven hundred eighty".
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