Base | Representation |
---|---|
bin | 1001100110101… |
… | …11101001000100 |
3 | 12121121122011220 |
4 | 10303113221010 |
5 | 131111400134 |
6 | 11555000340 |
7 | 1665606444 |
oct | 463275104 |
9 | 177548156 |
10 | 80575044 |
11 | 41534250 |
12 | 22b990b0 |
13 | 13902054 |
14 | a9b6124 |
15 | 7119149 |
hex | 4cd7a44 |
80575044 has 24 divisors (see below), whose sum is σ = 205100448. Its totient is φ = 24416640.
The previous prime is 80575039. The next prime is 80575057. The reversal of 80575044 is 44057508.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 80574996 and 80575014.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 305077 + ... + 305340.
It is an arithmetic number, because the mean of its divisors is an integer number (8545852).
Almost surely, 280575044 is an apocalyptic number.
It is an amenable number.
80575044 is an abundant number, since it is smaller than the sum of its proper divisors (124525404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80575044 is a wasteful number, since it uses less digits than its factorization.
80575044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 610435 (or 610433 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 80575044 is about 8976.3602868869. The cubic root of 80575044 is about 431.9168864454.
It can be divided in two parts, 8057504 and 4, that added together give a palindrome (8057508).
The spelling of 80575044 in words is "eighty million, five hundred seventy-five thousand, forty-four".
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