Base | Representation |
---|---|
bin | 1001100100100… |
… | …10110010011010 |
3 | 12121002022022111 |
4 | 10302102302122 |
5 | 131023334033 |
6 | 11544542534 |
7 | 1663323301 |
oct | 462226232 |
9 | 177068274 |
10 | 80293018 |
11 | 41361373 |
12 | 22a81a4a |
13 | 13833880 |
14 | a941438 |
15 | 70b07cd |
hex | 4c92c9a |
80293018 has 16 divisors (see below), whose sum is σ = 130384296. Its totient is φ = 36864000.
The previous prime is 80293013. The next prime is 80293021. The reversal of 80293018 is 81039208.
It can be written as a sum of positive squares in 4 ways, for example, as 59799289 + 20493729 = 7733^2 + 4527^2 .
It is not an unprimeable number, because it can be changed into a prime (80293013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2983 + ... + 13018.
Almost surely, 280293018 is an apocalyptic number.
80293018 is a deficient number, since it is larger than the sum of its proper divisors (50091278).
80293018 is a wasteful number, since it uses less digits than its factorization.
80293018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16209.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 80293018 is about 8960.6371425251. The cubic root of 80293018 is about 431.4123704760.
The spelling of 80293018 in words is "eighty million, two hundred ninety-three thousand, eighteen".
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