Base | Representation |
---|---|
bin | 1001100010010… |
… | …11010001111101 |
3 | 12120112102112121 |
4 | 10301023101331 |
5 | 130440001000 |
6 | 11534402541 |
7 | 1660663342 |
oct | 461132175 |
9 | 176472477 |
10 | 80000125 |
11 | 41181307 |
12 | 22960451 |
13 | 1376046a |
14 | a8a67c9 |
15 | 7053b1a |
hex | 4c4b47d |
80000125 has 24 divisors (see below), whose sum is σ = 103537512. Its totient is φ = 61712000.
The previous prime is 80000111. The next prime is 80000149. The reversal of 80000125 is 52100008.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 75846681 + 4153444 = 8709^2 + 2038^2 .
It is a sliding number, since 80000125 = 125 + 80000000 and 1/125 + 1/80000000 = 0.0080000125.
It is not a de Polignac number, because 80000125 - 211 = 79998077 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80000099 and 80000108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104745 + ... + 105505.
It is an arithmetic number, because the mean of its divisors is an integer number (4314063).
Almost surely, 280000125 is an apocalyptic number.
It is an amenable number.
80000125 is a deficient number, since it is larger than the sum of its proper divisors (23537387).
80000125 is an equidigital number, since it uses as much as digits as its factorization.
80000125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 834 (or 795 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 80000125 is about 8944.2788977089. The cubic root of 80000125 is about 430.8871624265.
It can be divided in two parts, 80000 and 125, that multiplied together give a 7-th power (10000000 = 107).
The spelling of 80000125 in words is "eighty million, one hundred twenty-five", and thus it is an aban number.
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