Base | Representation |
---|---|
bin | 1001100100001… |
… | …10011001111001 |
3 | 12120222201201221 |
4 | 10302012121321 |
5 | 131020223142 |
6 | 11543512041 |
7 | 1663022362 |
oct | 462063171 |
9 | 176881657 |
10 | 80242297 |
11 | 41327253 |
12 | 22a58621 |
13 | 13816765 |
14 | a92ab69 |
15 | 70a0767 |
hex | 4c86679 |
80242297 has 2 divisors, whose sum is σ = 80242298. Its totient is φ = 80242296.
The previous prime is 80242277. The next prime is 80242367. The reversal of 80242297 is 79224208.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41938576 + 38303721 = 6476^2 + 6189^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80242297 is a prime.
It is not a weakly prime, because it can be changed into another prime (80242247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40121148 + 40121149.
It is an arithmetic number, because the mean of its divisors is an integer number (40121149).
Almost surely, 280242297 is an apocalyptic number.
It is an amenable number.
80242297 is a deficient number, since it is larger than the sum of its proper divisors (1).
80242297 is an equidigital number, since it uses as much as digits as its factorization.
80242297 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 80242297 is about 8957.8064837325. The cubic root of 80242297 is about 431.3215104546.
The spelling of 80242297 in words is "eighty million, two hundred forty-two thousand, two hundred ninety-seven".
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