Base | Representation |
---|---|
bin | 1001100011111… |
… | …01110101111001 |
3 | 12120220221121222 |
4 | 10301331311321 |
5 | 131013112400 |
6 | 11543041425 |
7 | 1662515210 |
oct | 461756571 |
9 | 176827558 |
10 | 80207225 |
11 | 4130296a |
12 | 22a40275 |
13 | 138037c7 |
14 | a91c077 |
15 | 7095185 |
hex | 4c7dd79 |
80207225 has 12 divisors (see below), whose sum is σ = 113665344. Its totient is φ = 54999120.
The previous prime is 80207213. The next prime is 80207269. The reversal of 80207225 is 52270208.
It is not a de Polignac number, because 80207225 - 26 = 80207161 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80207194 and 80207203.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228989 + ... + 229338.
It is an arithmetic number, because the mean of its divisors is an integer number (9472112).
Almost surely, 280207225 is an apocalyptic number.
It is an amenable number.
80207225 is a deficient number, since it is larger than the sum of its proper divisors (33458119).
80207225 is a wasteful number, since it uses less digits than its factorization.
80207225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 458344 (or 458339 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 80207225 is about 8955.8486476715. The cubic root of 80207225 is about 431.2586611717.
The spelling of 80207225 in words is "eighty million, two hundred seven thousand, two hundred twenty-five".
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