Base | Representation |
---|---|
bin | 1001100011111… |
… | …00010011011101 |
3 | 12120220121222122 |
4 | 10301330103131 |
5 | 131012412200 |
6 | 11542552325 |
7 | 1662460640 |
oct | 461742335 |
9 | 176817878 |
10 | 80200925 |
11 | 412a9162 |
12 | 22a386a5 |
13 | 1380098c |
14 | a919a57 |
15 | 7093385 |
hex | 4c7c4dd |
80200925 has 24 divisors (see below), whose sum is σ = 115814016. Its totient is φ = 53951040.
The previous prime is 80200907. The next prime is 80200927. The reversal of 80200925 is 52900208.
It is not a de Polignac number, because 80200925 - 28 = 80200669 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80200894 and 80200903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80200927) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4952 + ... + 13598.
It is an arithmetic number, because the mean of its divisors is an integer number (4825584).
Almost surely, 280200925 is an apocalyptic number.
It is an amenable number.
80200925 is a deficient number, since it is larger than the sum of its proper divisors (35613091).
80200925 is a wasteful number, since it uses less digits than its factorization.
80200925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8717 (or 8712 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 80200925 is about 8955.4969153029. The cubic root of 80200925 is about 431.2473695842.
The spelling of 80200925 in words is "eighty million, two hundred thousand, nine hundred twenty-five".
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