Base | Representation |
---|---|
bin | 1001101000000… |
… | …11110001110001 |
3 | 12121221211011111 |
4 | 10310003301301 |
5 | 131133141300 |
6 | 12002513321 |
7 | 2000261503 |
oct | 464036161 |
9 | 177854144 |
10 | 80755825 |
11 | 41648057 |
12 | 23065841 |
13 | 13966417 |
14 | aa21d73 |
15 | 71529ba |
hex | 4d03c71 |
80755825 has 12 divisors (see below), whose sum is σ = 100534860. Its totient is φ = 64348160.
The previous prime is 80755817. The next prime is 80755847. The reversal of 80755825 is 52855708.
It can be written as a sum of positive squares in 6 ways, for example, as 21095649 + 59660176 = 4593^2 + 7724^2 .
It is not a de Polignac number, because 80755825 - 23 = 80755817 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141 + ... + 12709.
It is an arithmetic number, because the mean of its divisors is an integer number (8377905).
Almost surely, 280755825 is an apocalyptic number.
It is an amenable number.
80755825 is a deficient number, since it is larger than the sum of its proper divisors (19779035).
80755825 is a wasteful number, since it uses less digits than its factorization.
80755825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12836 (or 12831 counting only the distinct ones).
The product of its (nonzero) digits is 112000, while the sum is 40.
The square root of 80755825 is about 8986.4244836309. The cubic root of 80755825 is about 432.2396664666.
The spelling of 80755825 in words is "eighty million, seven hundred fifty-five thousand, eight hundred twenty-five".
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