Base | Representation |
---|---|
bin | 1001100111101… |
… | …11101001001101 |
3 | 12121212021222202 |
4 | 10303313221031 |
5 | 131130044000 |
6 | 12001451245 |
7 | 1666663553 |
oct | 463675115 |
9 | 177767882 |
10 | 80706125 |
11 | 41613785 |
12 | 23040b25 |
13 | 13949906 |
14 | aa0bbd3 |
15 | 7142dd5 |
hex | 4cf7a4d |
80706125 has 8 divisors (see below), whose sum is σ = 100721400. Its totient is φ = 64564800.
The previous prime is 80706083. The next prime is 80706137. The reversal of 80706125 is 52160708.
It can be written as a sum of positive squares in 4 ways, for example, as 316969 + 80389156 = 563^2 + 8966^2 .
It is not a de Polignac number, because 80706125 - 210 = 80705101 is a prime.
It is a super-2 number, since 2×807061252 = 13026957225031250, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322700 + ... + 322949.
It is an arithmetic number, because the mean of its divisors is an integer number (12590175).
Almost surely, 280706125 is an apocalyptic number.
It is an amenable number.
80706125 is a deficient number, since it is larger than the sum of its proper divisors (20015275).
80706125 is an equidigital number, since it uses as much as digits as its factorization.
80706125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645664 (or 645654 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 80706125 is about 8983.6587757995. The cubic root of 80706125 is about 432.1509763941.
The spelling of 80706125 in words is "eighty million, seven hundred six thousand, one hundred twenty-five".
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