Base | Representation |
---|---|
bin | 1001100010100… |
… | …01111000111101 |
3 | 12120120210200021 |
4 | 10301101320331 |
5 | 130441332242 |
6 | 11535132141 |
7 | 1661135305 |
oct | 461217075 |
9 | 176523607 |
10 | 80027197 |
11 | 4119a688 |
12 | 22974051 |
13 | 1376c893 |
14 | a8b2605 |
15 | 705bb67 |
hex | 4c51e3d |
80027197 has 2 divisors, whose sum is σ = 80027198. Its totient is φ = 80027196.
The previous prime is 80027179. The next prime is 80027201. The reversal of 80027197 is 79172008.
Together with previous prime (80027179) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 48734361 + 31292836 = 6981^2 + 5594^2 .
It is a cyclic number.
It is not a de Polignac number, because 80027197 - 219 = 79502909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80027797) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40013598 + 40013599.
It is an arithmetic number, because the mean of its divisors is an integer number (40013599).
Almost surely, 280027197 is an apocalyptic number.
It is an amenable number.
80027197 is a deficient number, since it is larger than the sum of its proper divisors (1).
80027197 is an equidigital number, since it uses as much as digits as its factorization.
80027197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7056, while the sum is 34.
The square root of 80027197 is about 8945.7921393245. The cubic root of 80027197 is about 430.9357609410.
The spelling of 80027197 in words is "eighty million, twenty-seven thousand, one hundred ninety-seven".
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