Base | Representation |
---|---|
bin | 1001101000101… |
… | …11000101101101 |
3 | 12122002211200010 |
4 | 10310113011231 |
5 | 131143204200 |
6 | 12004323433 |
7 | 2001041223 |
oct | 464270555 |
9 | 178084603 |
10 | 80834925 |
11 | 416a1526 |
12 | 230a3579 |
13 | 13993422 |
14 | aa42b13 |
15 | 716b150 |
hex | 4d1716d |
80834925 has 12 divisors (see below), whose sum is σ = 133647200. Its totient is φ = 43111920.
The previous prime is 80834921. The next prime is 80834993. The reversal of 80834925 is 52943808.
It is a happy number.
It is not a de Polignac number, because 80834925 - 22 = 80834921 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80834921) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538825 + ... + 538974.
Almost surely, 280834925 is an apocalyptic number.
It is an amenable number.
80834925 is a deficient number, since it is larger than the sum of its proper divisors (52812275).
80834925 is a wasteful number, since it uses less digits than its factorization.
80834925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1077812 (or 1077807 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 80834925 is about 8990.8244894448. The cubic root of 80834925 is about 432.3807460756.
The spelling of 80834925 in words is "eighty million, eight hundred thirty-four thousand, nine hundred twenty-five".
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