Base | Representation |
---|---|
bin | 1001101000101… |
… | …11011000011101 |
3 | 12122002220022120 |
4 | 10310113120131 |
5 | 131143224000 |
6 | 12004333153 |
7 | 2001044556 |
oct | 464273035 |
9 | 178086276 |
10 | 80836125 |
11 | 416a2417 |
12 | 230a41b9 |
13 | 13993b36 |
14 | aa4332d |
15 | 716b6a0 |
hex | 4d1761d |
80836125 has 16 divisors (see below), whose sum is σ = 134511936. Its totient is φ = 43112400.
The previous prime is 80836121. The next prime is 80836141. The reversal of 80836125 is 52163808.
It is a happy number.
It is not a de Polignac number, because 80836125 - 22 = 80836121 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80836121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107407 + ... + 108156.
It is an arithmetic number, because the mean of its divisors is an integer number (8406996).
Almost surely, 280836125 is an apocalyptic number.
It is an amenable number.
80836125 is a deficient number, since it is larger than the sum of its proper divisors (53675811).
80836125 is a wasteful number, since it uses less digits than its factorization.
80836125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215581 (or 215571 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 80836125 is about 8990.8912238999. The cubic root of 80836125 is about 432.3828856389.
The spelling of 80836125 in words is "eighty million, eight hundred thirty-six thousand, one hundred twenty-five".
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